Ancient Aliens: Dinosaur Secrets Revealed in Ica Stones (Season 4) | History

Workers have uncovered a collection of stones depicting human encounters with dinosaurs in Ica, Peru, in this clip from Season 4, "Aliens and Dinosaurs".

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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: Dinosaur Secrets Revealed in Ica Stones (Season 4) | History
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