Deqing tunnel of Guiyang-Nanning high-speed railway drilled through

Source: Xinhua| 2021-08-03 20:30:52|Editor: huaxia

Staff members work inside the Deqing tunnel of the Guiyang-Nanning high-speed railway in Hechi, south China's Guangxi Zhuang Autonomous Region, Aug. 2, 2021. The 6.61-km-long Deqing tunnel was drilled through on Tuesday. It is a critical control project in the construction of the Guiyang-Nanning high-speed railway, which is expected to put into operation by the end of 2023. (Xinhua/Cao Yiming)

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