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Wednesday, February 10, 2010 |
Wednesday, February 10, 2010 |
Photo: Oldest Urban Site in the Americas Found, Experts ClaimThe plaza, whose discovery was announced on February 24, 2008, could be 5,500 years old, which would make it the oldest known human-made complex in the New World, experts say. Photograph by Reuters/STR New
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ADVERTISEMENTNATIONAL GEOGRAPHIC'S PHOTO OF THE DAY |
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