在火星的无尽沙海中，探索未知，追寻梦想，书写属于人类的新篇章。av拍摄指南全文阅读

　　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... (展开全部)