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讲述了在一场印第安部落和西部牛仔的战争中，一架太空船突然闯入搅局的故事，一个神枪手不幸被卷入了这场无厘头的战争中。。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...。