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          World Environment Day: Ingenious green designs
          
        
          
      
          
      
          
        
          
          chinadaily.com.cn |
          Updated: 2019-06-05 06:35
          
          
          
          
        


        
      
          
      
          
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   The GoSun solar cooker converts sunlight with vacuum tube technology that allows for safe and clean cooking without propane or charcoal in just 20 minutes. [Photo/IC] 
 
           

           

          
        
          

        
        
      
          
        
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