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At nearly 14,000 years old, the ruins of Puma Punku are the oldest and most baffling on the face of the Earth. In Season 4, Episode 6, "The Mystery of Puma Punku." Stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule #AncientAliens Subscribe for more from Ancient Aliens and other great The ...
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