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          Professor witnesses ottelia acuminata bloom again in Erhai Lake, SW China
          
        
          
      
          
      
          
        
          
          Xinhua |
          Updated: 2025-06-06 09:09
          
          
          
          
        


        
      
          
      
          
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   Kong Hainan (front) shares the story of ecology restoration of Erhai Lake and development of ottelia acuminata industry to freshmen at School of Environmental Science and Engineering of Shanghai Jiao Tong University in East China's Shanghai, March 14, 2025. [Photo/Xinhua] 
 
           

           

          
        
          

        
        
      
          
        
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