While building a tunnel through the mountain, the workers discovered an underground lake.

当工人们在修建一个穿过山的隧道时，他们发现了一个地下湖。

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The application scheme of the artificial freezing method in Xuanwu Lake subaqueous highway tunnel construction and the constructing procedure of the freezing method are introduced.

介绍了人工冻结法在玄武湖水下交通隧道中的应用方案以及冻结法的施工工艺。

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Moreover, the tunnel project under the lake to some extent re-emphasizes car-dependency with likely congestion near the exits, especially at peak days.

此外，东湖隧道项目在某种程度上再次凸显了机动车的使用，在出入口极有可能产生拥堵，特别是高峰期。

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And then one day while driving to work from my home in Silver Lake, a neighborhood five miles northwest of downtown, I cut through the Second Street tunnel and there he is, putting on a one-man concert in a location even noisier than the last one.

NPR: The Redemptive Power of Music, and Friendship