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          Healthy debate over air
          

          By Wu Wencong, Tang Yue and Cui Jia | China Daily | Updated:  2013-01-14 07:55
 



          



          

          

          

          


          


          Healthy debate over air
          


          The capital's Third Ring Road is shrouded in haze on Saturday as the city's air pollution reached hazardous levels. Jason Lee / Reuters
          
          		

          
          

          


          

          

          


          


          Healthy debate over air
          


          

          Healthy debate over air
          

          
          		

          
          

          

          

          

          

          

          


          


          


          
 
 



          


          

          



          


          

          

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