French engineers have begun to drain a hidden lake under a glacier on Mont Blanc that threatens to flood the Saint Gervais valley, the BBC reported.

根据英国广播公司消息，法国工程师已经开始为勃朗峰圣热瓦山谷一处冰川下的暗湖“放水”，以消除洪水威胁。

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You add in the sump pump, the French drain, the alarm system, the slate roof, the gutters, the generator and you convince yourself that you're safe.

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