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          Oldest salt well harnesses 2,000-year-old method in SW China
          

          


          By Yao Yao    |    chinadaily.com.cn    |     2017-04-26 11:00
    



 


          


          

          


          



          

          

          


          


          
Oldest salt well harnesses 2,000-year-old method in SW China

          


          


          A worker filters and purifies the brine at the Shenhai salt well in Da'an district, Zigong city, Southwest China's Sichuan province, on April 25, 2017. [Photo by TG/ provided to chinadaily.com.cn]
          
          		

          
          

          

          


          

          

          




          

          

          




          



          


          

          


          

          


          

          

          


          

          


          

          

          



          

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