Letseng is one of the most productive mines in history — four of the world's 20 largest rough diamonds have been found at the mine, including the three largest found this century.
莱特森矿是历史上产量最高的钻石矿之一。目前全球20颗最大的原钻中有四颗产自这里，其中有三颗发现于本世纪。
Letseng is one of the most productive mines in history — four of the world's 20 largest rough diamonds have been found at the mine, including the three largest found this century.
莱特森矿是历史上产量最高的钻石矿之一。目前全球20颗最大的原钻中有四颗产自这里，其中有三颗发现于本世纪。
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