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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.
First Air Date : Jan 19, 2010
Last Air date : Feb 23, 2010
Episode : 5 Episode
Season : 1 Season
Runtime: 60:14 minutes
Studio: BBC Two
Country: United Kingdom
Cast: Iain Stewart
Crew:
