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Secrets of the Underground Season 2 Episode 6 Mystery of the Ice Cave 2017

4.3/10 by 3 users

A strange cave freezes in the summer and melts in the winter, and a massive sand dune swallows a small child in an instant. Rob Nelson and Stefan Burns use cutting-edge technology to investigate these mysteries of the natural world.

  • Released: 2017-12-02
  • Runtime: 60 minutes
  • Genre: Reality, Documentary
  • Stars:
  • Director:

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