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If we faced a countdown to destruction, could we build a spacecraft to take us to new and habitable worlds? Can we Evacuate Earth? NGCs two-hour ...详情 >
简介：
The Mayan calendar predicts that the world will end in 2012, and many believe its true. This Emmy-nominated Discovery Channel documentary illustrates t...详情 >
简介：
A 6 part-series documentary based on the testimonies of millions of Nazi party members that were collected right after the war with focus on Rudolf Hoe...详情 >
