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TROPICAL ISLANDS of the eastern Pacific contrast sharply with the arid and semi-arid islands 

 of Mexico and South America. Throughout the tropics verdure is exolic. Cocos Islands, which 

 belong to Costa Rica, are an example. Above, the Velero III is anchored in the warm waters 

 of Chatham Bay. Below, a landing party is shown coming ashore in a heavily laden skiff. 



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