Ключевые слова: architecture, austria, austrian, autumn, building, capital, city, clouds, culture, day, europe, famous, front, habsburg, helden, heldenplatz, historic, historical, history, hofburg, imperial, landmark, library, memorial, monarchy, monument, museum, national, osterreichische nationalbibliothek, outdoors, palace, panoramic, sightseeing, sky, statue, tourism, touristic, town, travel, vienna, wien,