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Spanish National Library has its once-a-year public open day in Madrid 

          

          
 Source: Xinhua| 2018-04-16 09:54:10|Editor:  Lifang 

          

                
          

          

          

          

          

          
    

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          SPAIN-MADRID-NATIONAL LIBRARY-PUBLIC OPEN DAY
          

          A staff member (1st L) explains to visitors how to repair ancient books in the Spanish National Library in Madrid, Spain, on April 15, 2018. The Spanish National Library had its once-a-year public open day on Sunday, which allowed the public to discover its secrets by visiting various parts of the library. (Xinhua/Guo Qiuda)
          

          

          

          


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