宏大构想:我们要去火星吗?完整版全集高清免费在线观看;宏大构想:我们要去火星吗?sdm3u8,剧情介绍: The attempt to send and land astronauts on Mars risks billions of dollars and the lives of those brave enough to attempt it Is the possible benefit really worth the risk? And is it really achievable?
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