| Okinoerabu Island is at about 500km positions southward from the Honshu Island. It is the subtropical zone from the Tropical Zone, and a climate of an island is high temperature and humid. Most rocks of this island consist of the coral reef were formed in Cenozoic. The porous limestone that made from coral reefsuplifted, and there are many caves in the island. Formations of cave in this Island are white, delicate and beautiful. | |||
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Ginsui-do |