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          New track laid to upgrade China's 100-year-old railway
          
        
          
      
          
      
          
        
          
          Xinhua |
          Updated: 2019-06-12 11:39
          
          
          
          
        


        
      
          
      
          
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   Workers at the construction site of the Beijing-Zhangjiakou high-speed railway in Beijing, June 12, 2019. [Photo by Zou Hong/chinadaily.com.cn] 
 
           

           

          BEIJING - With the last steel rail piece laid Wednesday in a tunnel underground the Tsinghua University in Beijing, the track of the whole length of the Beijing-Zhangjiakou High-Speed Railway has been built.
           

          
        
          

        
        
      
          
        
          
          
        

        
          
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