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Beijing-Zhangjiakou high-speed railway to be finished by end of 2019

Xinhua | Updated: 2017-06-29 07:44
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Photo taken on June 27, 2017 shows the construction site of Caomaoshan Tunnel on the Beijing-Zhangjiakou high-speed railway line in Xuanhua district of Zhangjiakou, North China's Hebei province.[Photo/Xinhua]
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