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视频简介

一个军事强国在战争时期曾进行过一个克隆军队的秘密项目，意图与敌国抗衡，这些克隆军人训练有素，并且骁勇善战，但是却越发不受控制。终于，这个项目因为太危险而被取消，参与的科学家也都被灭口。而多年以后，几个探险家决定再次深入地下，探寻这个埋藏多年的秘密。与克隆人的大战，虎口脱险，惊险刺激。The Mayan calendar predicts that the world will end in 2012, and many believe it's true. This Emmy-nominated Discovery Channel documentary illustrates the variety of ways the apocalypse could arrive in. True believers will learn how volcanic eruption, widespread plague, deadly asteroids, neighboring stars, and nuclear and biological weapons could each bring about the extinction...。