Voir Ancient Aliens, Season 18 - Episode 13

Ancient Aliens, Season 18 - Episode 13

Ancient Aliens On Location: Decoding the Alien Glyphs (EP13)

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Résumé de l'épisode 13

Ancient Aliens has examined the oldest and most mysterious rock art on Earth--up close and in person. Now, Giorgio Tsoukalos takes a look back at the incredible hieroglyphs, petroglyphs, and geoglyphs that he believes tell a worldwide story--of alien visitation.

Extrait de l'épisode 13 de Ancient Aliens, Season 18