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Ancient Aliens

Series 16 Episode 10: The Harmonic Code

Archaeologists discover that many ancient sites were constructed with an acoustic purpose, and often resonate at a frequency that has a profound effect on the human brain; questioning whether ancient people used these sites to contact alien beings.

Category
Documentary / History / Paranormal
Original air date
2021-03-12
Cast and crew
  • Robert ClotworthyNarrator
  • Giorgio Tsoukalos
  • Erich von Däniken
  • David Childress
  • William Henry
  • Linda Moulton Howe
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