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Ernesto Montenegro, Director of the Colombian Institute of Anthropology and History of Colombia, talks to the media while he shows a picture of remains of the Galleon San Jose, a Spanish boat eighteenth century empire that sank in the Caribbean Sea loaded with gold, during a press conference in Cartagena, Colombia, December 5, 2015 (Credit: AP Photo/ Pedro Mendoza)

Ernesto Montenegro, Director of the Colombian Institute of Anthropology and History of Colombia, talks to the media while he shows a picture of remains of the Galleon San Jose, a Spanish boat eighteenth century empire that sank in the Caribbean Sea loaded with gold, during a press conference in Cartagena, Colombia, December 5, 2015 (Credit: AP Photo/ Pedro Mendoza)