Ice Age Death Trap

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Broadcast (2012) During construction at a Colorado ski resort, a bulldozer dug up something strange: a tooth so huge it had to be held in two hands. Racing to the scene, scientists from the local Denver museum could scarcely believe what they found: a vast trove of fossils from the depths of the Ice Age 100,000 years ago, when North America teemed with incredible beasts: massive mastodons, saber tooth cats and camels, giant bison with six-foot horns, and ground sloths as big as elephants with huge claws. (www.youtube.com)