CHINA'S TALLEST DAM, as high as a 60-story building, now stands at Longyang Gorge on the upper reaches of the Huanghe (Yellow River) in eastern Qinghai province. Its sluice gates alone each weight...
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CHINA'S TALLEST DAM, as high as a 60-story building, now stands at Longyang Gorge on the upper reaches of the Huanghe (Yellow River) in eastern Qinghai province. Its sluice gates alone each weight...