Construction site of Dajianshan railway tunnel in Yunnan Province
Xinhua
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Constructors work at the construction site of Dajianshan railway tunnel of the Yuxi-Mohan Railway in southwest China's Yunnan Province, May 25, 2019. (Photo: Xinhua)
Constructors work at the construction site of Dajianshan railway tunnel of the Yuxi-Mohan Railway in southwest China's Yunnan Province, May 25, 2019.
(Photo: Xinhua)
Constructors work at the construction site of Dajianshan railway tunnel of the Yuxi-Mohan Railway in southwest China's Yunnan Province, May 25, 2019.
(Photo: Xinhua)
Constructors work at the construction site of Dajianshan railway tunnel of the Yuxi-Mohan Railway in southwest China's Yunnan Province, May 25, 2019. (Photo: Xinhua)