Voir Ancient Aliens, Season 19 - Episode 20

Ancient Aliens, Season 19 - Episode 20

The Top Ten Alien Petroglyphs (EP20)

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Résumé de l'épisode 20

Ancient Aliens is counting down the top ten alien petroglyphs around the world, from strange, human-like figures to flying craft and carvings of what appear to be astronauts. Could these mysterious carvings provide a record of extraterrestrial visitation?

Extrait de l'épisode 20 de Ancient Aliens, Season 19