Beijing-Zhangjiakou high-speed railway to be finished by end of 2019
Xinhua | 2017-06-29 07:44
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Construction workers are seen at Caomaoshan Tunnel on the Beijing-Zhangjiakou high-speed railway line in Xuanhua district of Zhangjiakou, North China's Hebei province, June 27, 2017.[Photo/Xinhua]
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