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Last rock falls in construction of Yunnan railway tunnel

By Li Yingqing and Zhou Huiying | chinadaily.com.cn | Updated: 2020-04-29 21:26
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Workers deal with the problem of water gushing in the Dazhu Mountain Tunnel, Yunnan province’s Baoshan city in Southwest China, on June 8, 2018.[Photo by Niu Rongjian for chinadaily.com.cn]
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