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Ancient Aliens: Special Edition

Series 1 Episode 2: Mysterious Structures

The theory that alien technology helped ancient humans build megalithic stone structures.

Category
Documentary / History / Paranormal
Original air date
20/06/2014
Cast and crew
  • Deborah BlumDirector
  • David Childress
  • Michael Cremo
  • Giorgio Tsoukalos
  • Erich von Däniken
  • Linda Moulton Howe