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A 300-meter-deep coal mine in Spain is now a giant lake holding 547 billion liters, and the transformation took 4 years | World News Edit Profile Following Sign out Get App
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西班牙一座300米深的煤矿如今变成一个巨大的湖泊，蓄水量达5470亿升，整个转变耗时4年A 300-meter-deep coal mine in Spain is now a giant lake holding 547 billion liters, and the transformation took 4 years
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