Ancient Aliens: The Sunken City (S11, E9) | History

  • Published on:  7/15/2016
  • The ruins of a city found at the bottom of Fuxian Lake in China raise big questions about the country's history with extra-terrestrials in this collection of scenes from "The Hidden Empire." #AncientAliens

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    Ancient Aliens
    Season 11
    Episode 9
    The Hidden Empire

    "Ancient Aliens" explores the controversial theory that extraterrestrials have visited Earth for millions of years.

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