Ancient Aliens: The Defacing of a Stone Pillar (Season 12, Episode 16) | History

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Ancient astronaut theorists believe a stone pillar found at Gobekli Tepe was purposely defaced in order to cover up humans' extraterrestrial origins in this clip from Season 12, Episode 16, "Return to Gobekli Tepe".

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"Ancient Aliens" explores the controversial theory that extraterrestrials have visited Earth for millions of years.

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Ancient Aliens: The Defacing of a Stone Pillar (Season 12, Episode 16) | History
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