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Mysterious tombs, reptilian legends, and possible alien encounters reveal an unexplained past. Find out more in this Ancient Aliens compilation. 0:00 — Keyhole Tombs and Qin’s Mercury Mausoleum 5:59 — The Kingman UFO Crash and J-Rod at Area 51 10:31 — Saqqara’s Underground Sarcophagi and Lost Technology 16:48 — Lizard Cities Beneath ...
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