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 of humankind.
有一天，一个人对他的朋友说：“我可以用两句话来形容我自己。”朋友问：“是什么话？”他回答：“我都忘记了。”Copyright © 2015-2020 All Rights Reserved
