温馨提示:[DVD:标准普清版] [BD:高清无水印] [HD:高清版] [TS:抢先非清晰版] - BD蓝光和HD超清版本不太适合低宽带的用户和网速过慢的用户观看。
The dream of sending humans to Mars is closer than ever before. In fact, many scientists think that the first person to set foot on the Red Planet is alive today. But where should the first explorers visit when they get there? Horizon has gathered the world's leading experts on Mars and asked them: where would they go, if they got the chance - and what would they need to surviv...
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