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.更多《路上有狼》中文完整版、路上有狼在线播放免费、路上有狼在线高清播放相关欧美综艺资源，请持续关注小智乐影视在线!