Saída de Campo A

Na Rota dos Fósseis de Penha Garcia em busca dos vestígios das Trilobites (Cruziana)

 

De: Naturtejo
Com: Monitores da Naturtejo, Alunos e Profs. da Escola
Género: Ação e Aventura, ao vivo e a cores
Classificação: Alunos maiores de 5 e Professores maiores de 21 anos
Estúdios: Parque Icnológico de Penha Garcia

Duração: 3 horas (5 horas se incluir Desportos de Natureza opcionais: Escalada, Canoagem, Tiro com Arco)

Trilho Pedestre: PR3 - Rota dos Fósseis (2 Km)

Visitas opcionais por marcação: Balneário das Termas de Monfortinho ou Estação de Tratamento de Águas de penha Garcia (disponíveis mediante certas condições).
Disciplinas: Estudo do Meio / Biologia e Geologia / Geologia + Educação Física / Ciências Naturais + História + Educação Física

 

Argumento:

Os alunos e professores, depois de percorrerem a pé as estreitinhas ruas entre as casas da aldeia, sendo as mais antigas construídas em quartzito, sobem ao Castelo Templário do séc. XIII. Aí contemplam a paisagem de Penha Garcia e ouvem contar quer a história do seu povoamento, quer a geológica.

De seguida, são convidados a descer ao vale do rio Ponsul, a vestir o fato de mergulho e a calçar as barbatanas, para iniciar a aventura de recuar no tempo 480 Milhões de Anos (Ma) e mergulhar no mar pouco profundo que banhava a área de Penha Garcia. Assim, poder-se-ão sentir a nadar ao lado de seres primitivos que constituíam as comunidades marinhas de outrora, tais como as Trilobites, podendo espreitá-los para conhecer os seus segredos e estratégias de sobrevivência, já que muitas vezes eram incomodados por enormes tempestades e, de quando em quando, por pequenos sismos… Fica o convite à imaginação… Já de volta ao mundo real, no vale do rio Ponsul lêem as rochas onde abundam as Cruziana, entram na “Casa dos Fósseis” e nos moinhos de rodízio que em tempos idos foram o ganha-pão dos moleiros da aldeia.

Os viajantes do tempo, menos temerosos, podem ainda voar sobre o vale do Ponsul, praticar tiro com arco, escalar ou deslizar sobre fundos marinhos de outrora, hoje praticamente verticalizados ou fazer canoagem na albufeira de Penha Garcia.

Bem-Vindos 'a Geonaturescola!

Conheça os nossos programas inscreva os seus alunos. Esperamos por vocês!

ApoiosRede Global

Geonaturescola ?2015 - Visitantes: 81699 - Desenvolvido por: citricweb.pt

google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google google