Did aliens build this ancient site? | Ancient Aliens @historyplayuk

HISTORY Play | Did aliens build this ancient site? | Ancient Aliens @historyplayuk | Uploaded October 2023 | Updated October 2024, 11 hours ago.
Alien experts explore the ruins of an ancient city, but they can't help noticing how well cut the stone is, how sophisticated the architecture was, and how advanced the engineering used was. Is it possible this site wasn't built by humans at all? (Series 15 episode 3)

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