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Massive machines require engineering extremes. The massive man-made satellite, commonly known as the International Space Station, hurtling around the Earth at 27,600 km an hour, has been a temporary home for humans for the last 20 years. The biggest land vehicle on earth, a bucket excavator titled Bagger 293, that can move 240,000 cubic meters of dirt each day. Innovation has a...。本片根据发生在四川省宜宾市兴文县的真实历史故事改编。讲述了红军川滇黔边游击纵队在极其艰苦的条件下，积极开展游击战争，怀着与敌人同归于尽的决心，前仆后继与数倍甚至数十倍于己的敌人殊死拼杀、血战到底，以几乎全军牺牲的巨大代价完成策应中央红军和红二、六军团战略转移的光荣使命的故事。。