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China is building deepest high-speed railway station
Chinese workers are building the world's deepest and Asia's largest underground high-speed railway station beneath the Great Wall at the Badaling section in Beijing. The station under construction will be 3-story high and have a 36,000 square meters floor area, including platform, entrance and exit. The railway tracks will be 102 meters underground.
The station is an important part of a 12.01 kilometers long tunnel section of the 174-kilometer Beijing–Zhangjiakou high-speed railway line. The tunnel is the longest one of the railway line.
"Passengers will enter and exit the station about 100 meters underground, and it will be very safe," said Dai Longzhen, a senior manager of the construction company China Railway No 5 Engineering Group Co Ltd.
![Workers are digging a tunnel of the Beijing-Zhangjiakou high-speed railway line's branch linking Chongli county, Zhangjiakou, Hebei Province, on June 30, 2017. [Photo/Xinhua]](http://images.china.cn/attachement/jpg/site1007/20170731/b8aeed9906a71ae9211820.jpg "Workers are digging a tunnel of the Beijing-Zhangjiakou high-speed railway line's branch linking Chongli county, Zhangjiakou, Hebei Province, on June 30, 2017. [Photo/Xinhua]")
