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Tunnels of Hell

Exploring the Japanese island of Okinawa and its complex system of subterranean tunnels, caves and bunkers that was used during World War II.

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  • Originally Aired November 2, 2008
  • Runtime 45 minutes
  • Network History
  • Created May 2, 2019 by
    Administrator admin
  • Modified May 2, 2019 by
    Administrator admin