Technicians work at the underground utility tunnel in Baiyin City, northwest China's Gansu Province, May 29, 2019. The 2.238 billion yuan (about 324 million U.S. dollars) project, a 26.25 km-long tunnel capable of installing 8 kinds of utility pipes, was completed recently. (Xinhua/Sadat)
Construction of underground utility tunnel completes in China's Gansu
Source: Xinhua| 2019-06-02 21:58:54|Editor: mingmei
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