Beijing-Zhangjiakou high-speed railway to be finished by end of 2019
Xinhua    |     2017-06-29 07:44
 
  
  
  
 
 

 
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| Photo taken on June 27, 2017 shows the construction site of Guanting Reservoir grand bridge, a section of the Beijing-Zhangjiakou high-speed railway line.[Photo/Xinhua] |