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Stuff They Don't Want You To Know - Ancient Aliens

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Uploaded on Jul 30, 2010

For centuries, the achievements of the past baffled modern societies. How could ancient empires build architectural marvels like the pyramids or the Nazca lines? Tune in and learn more about the conspiracy theorists who think they've found the answer.

http://howstuffworks.com
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http://itunes.apple.com/us/podcast/st...

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