What will Earth look like in 250 million years? With a team of scientists, National Geographic investigates the dynamic process of Colliding Continents, by examining the forces deep below the Earth's surface that are constantly reshaping our world. These powerful forces rip vast land masses apart and send them smashing into one another - causing natural disasters, such as tsunamis and earthquakes, and creating awe-inspiring landscapes, like mountains and canyons.
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