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          Youth innovation competition held in China's Guangxi
          
      
          
      
          
        
          
          Xinhua |
          Updated: 2018-03-25 08:17
        
        
          
          
          
          
        

      
          


      
          
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   A pupil shows a mousetrap he designed during a youth science and technology innovation competition in Nanning, capital of south China's Guangxi Zhuang autonomous region, March 23, 2018. [Photo/Xinhua] 
 
           

          
        
      
          
      
      
      
          
        
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