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Deep Earth

Iain visits an extraordinary crystal cave in Mexico, drops down a hole in the Iranian desert and crawls through seven-thousand-year-old tunnels in Israel. His exploration reveals that throughout history, our ancestors were strangely drawn to fault lines, areas which connect the surface with the deep interior of the planet. These fault lines gave access to important resources, but also brought with them great danger.

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  • Originally Aired January 19, 2010
  • Runtime 60 minutes
  • Production Code b00qbvyc
  • Network BBC Two ZDF
  • On Other Sites IMDB
  • Created April 27, 2021 by
    DesertCookie
  • Modified April 27, 2021 by
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Name Type Role
Matthew Gyves Director