Works on 23km long Desheng tunnel complete

Construction works on what is said to be China’s longest single-bore, double-track railway tunnel is complete according to China Railway No.2 Group. The firm notes that the 23km-long Desheng tunnel took 10 years to build and sits at 3,000m above sea level. The tunnel is part of the Chengdu-Huangshengguan section of the Sichuan-Qinghai Railway. Passenger […]
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