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3 Episodes 2007 - 2007
Episode 1
Tue, Feb 13, 200745 mins
National Geographic investigates the awesome power of our water world.
Episode 2
Fri, Feb 16, 200746 mins
Explore what causes ground-shattering earthquakes and volcanic eruptions.
Episode 3
Wed, Feb 21, 200746 mins
Venture on a geological journey to see how destructive forces constantly reshape our planet.