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          Tunnel builders sweat it out on new rail line
          

          By Hu Yongqi | China Daily | Updated:  2013-07-04 07:56
 



          



          

          

          

          


          


          Tunnel builders sweat it out on new rail line
          


          Workers in the Taiyangzhai tunnel, one of six tunnels longer than 5 km, on a key section of the railway connecting Hekou and Mengzi in Yunnan province. Photos by Feng Yongbin / China Daily
          
          		

          
          

          


          

          

          


          


          Tunnel builders sweat it out on new rail line
          


          

          Tunnel builders sweat it out on new rail line
          

          
          		

          
          

          

          

          

          

          

          


          


          


          
 
 



          


          

          



          


          

          

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