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Ancient Observatories, Timeless Knowledge

Sun-Earth Day Presents: Ancient Observatories, Timeless Knowledge

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Image Gallery
  • Stonehenge, Salisbury England
  • Photo: Clive Ruggles
  • POLAR
  • Photo: POLAR
  • POLAR
  • Photo: POLAR
  • POLAR
  • Photo: POLAR
  • POLAR
  • Photo: POLAR
  • Chaco Canyon