Voir Ancient Aliens, Season 20 - Episode 10

Ancient Aliens, Season 20 - Episode 10

Mystery of the Stone Spheres (EP10)

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Résumé de l'épisode 10

Throughout the world there are mysterious ancient stones shaped into perfect spheres. Many of them show clear evidence of being manmade and some completely defy explanation. Could the mystery of the stone spheres provide clues about humankind's alien past?

Extrait de l'épisode 10 de Ancient Aliens, Season 20