19 年前
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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...。错过与朋友的会面后，失眠的阿富汗老人Qasem在城市的夜晚中漫游，他试图去山上找当年和朋友一起见过的石头。。
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