Ancient Aliens: EXTRATERRESTRIAL COLONIZATION OF EARTH (Season 13) | History
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Although we may be far from colonizing space, ancient astronaut theorists believe extraterrestrials might have colonized earth many years ago, in this clip from Season 13, “Return to Mars”. #AncientAliens
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“Ancient Aliens” explores the controversial theory that extraterrestrials have visited Earth for millions of years.
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