Tune in to Alien Invasion Week on History starting Monday 9/30 through Friday 10/4 for new Ancient Aliens, plus the premiere of In Search Of, new UFO Specials and More!
Giorgio talks with an engineer who built a prototype to back up his theory that Puma Punku’s stone blocks were actually part of a massive ancient doorway in this clip from Season 9, “The Mystery of Puma Punku”. #AncientAliens
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