![Vienna. 18th Apr, 2019. Photo taken on April 18, 2019 shows the State Hall of the Austrian National Library in Vienna, Austria. The State Hall of the Austrian National Library in Vienna Vienna. 18th Apr, 2019. Photo taken on April 18, 2019 shows the State Hall of the Austrian National Library in Vienna, Austria. The State Hall of the Austrian National Library in Vienna](https://c8.alamy.com/zooms/9/171d6ec4b54e48d28e72c04d09548947/t50jmm.jpg)
Vienna. 18th Apr, 2019. Photo taken on April 18, 2019 shows the State Hall of the Austrian National Library in Vienna, Austria. The State Hall of the Austrian National Library in Vienna
![Austrian National Library, in Hofburg Palace, Vienna, Austria, Stock Photo, Photo et Image Droits gérés. Photo X7F-2743875 | agefotostock Austrian National Library, in Hofburg Palace, Vienna, Austria, Stock Photo, Photo et Image Droits gérés. Photo X7F-2743875 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/65d83bc316c457cb881589bf70dbf92a/x7f-2743875.jpg)
Austrian National Library, in Hofburg Palace, Vienna, Austria, Stock Photo, Photo et Image Droits gérés. Photo X7F-2743875 | agefotostock
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