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Amidst the stunning wilderness of Yellowstone National Park, steam and hot water bubble and hiss from thousands of colorful, mineral-encrusted springs and vents. These hot springs, geysers and bubbling mud pools are all outward manifestations of a huge body of magma residing not far beneath the surface. It's a subterranean sea of molten lava that scientists are sure will burst through the Earth's crust – it's just a question of when. And if the resulting super-volcanic eruption is anything like the last one on earth – which plunged the world into darkness for six years, tipped us into the last Ice Age and reduced the human population to just 2,000 people – we're in for one explosive ride. Based on the predictions of top volcano experts and the detailed planning and evacuation strategies of government agencies, this sobering, factual drama shapes possible events into a compelling human experience. Watch as state-of-the-art computer graphics integrated with mock-factual sources reveal the horrifyingly realistic build-up to the Yellowstone eruption and the climax itself. Learn what effects the eruption may have across the globe – environmentally, politically, economically and socially – as the massive ash cloud drifts into the upper atmosphere. And glimpse the fragmented world that such a cataclysmic geological event would surely leave behind.