金沙国际唯一指定官网

Floating away

作者:充窿卖    发布时间:2019-03-07 10:15:16    

By Peter Hadfield in Tokyo TOKYO’s extensive network of underground train stations is in peril from the city’s rising water table. Japanese engineers are trying to prevent some stations from essentially pushing their way upwards like submerged bubbles. “This was a unique problem, and it needed a unique solution,” says a senior Japanese railway engineer, who asked not to be identified. The most pressing problem at the moment is the city’s main terminus, Tokyo station,

 

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