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2. Kimberley Diamond Mine-South Africa 南非金伯利钻石矿坑
The Kimberley Diamond Mine (also known as the Big Hole) holds the (disputed) title of being the largest hand-dug hole in the world. From 1866 to 1914 50,000 miners dug the hole with picks and shovels, yielding 2,722 kg of diamonds. Attempts are being made to have it registered as a world heritage site.
金伯利钻石矿坑被认为是世界上最大的人力挖掘矿坑，从1866年至1914年，50000名矿工使用铁铲等工具进行挖掘，共挖掘出2722公斤钻石。目前，南非政府正试图将金伯利矿坑申请为一处世界文化遗址。
