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          Earliest site of coal fuel found in Xinjiang
          

          By Bi Nan | chinadaily.com.cn | Updated:  2016-11-02 13:19
 



          


          

          


          
Earliest site of coal fuel found in Xinjiang

          


          


          A copper knife was found at the archaeological site. [Photo/Chinanews.com]
          
          		

          
          

          


          

          

          



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