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Builders of China Railway 12th Bureau Group operate machine to lay tracks at the construction site of the Liying section of the Beijing-Xiongan intercity railway, April 15, 2019. (Xinhua/Xing Guangli)
Builders of China Railway 12th Bureau Group operate machine to lay tracks at the construction site of the Liying section of the Beijing-Xiongan intercity railway, April 15, 2019. (Xinhua/Xing Guangli)