vienna, austria- september 10, 2015: hofburg palace .austrian national library is the largest library in austria, with 7.4 million

2015 architecture art austria austrian baroque beautiful blue building capital center central city column culture day daytime downtown empire europe exterior grandiose habsburgs heldenplatz historic hofbibliothek hofburg horse imperial landmark largest library million mollardclary monument museum national palace palais panorama people president sculpture semicircle september sky statue street summer sun sunny tourism tourist travel vienna viennese wien