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Nature: Yellowstone on FireFootage of the 1988 Yellowstone blaze and its aftermath shows possible causes and results of the fire.

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Nature: Yellowstone on FireFootage of the 1988 Yellowstone blaze and its aftermath shows possible causes and results of the fire.0Nature: Krakatoa: Day That Shook the WorldThe 1883 eruption of Krakatau blows open a six-and-a-half mile hole and causes tsunamis killing more than 40,000 people.

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