末日倒数 地球大撤退 全集
末日倒数 地球大撤退全集 - 内容介绍：
If we faced a countdown to destruction, could we build a spacecraft to take us to new and habitable worlds? Can we Evacuate Earth? NGC's two-hour special examines this terrifying but scientifically plausible scenario by exploring how we could unite to ensure the survival of the human race.
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