Ключевые слова: architectural, architecture, art, austria, austrian, building, center, central, city, cityscape, classic, classical, concert, culture, dark, downtown, europe, exterior, facade, famous, front, hall, historic, house, illuminated, landmark, light, music, musical, national, night, old, opera, outdoors, place, sightseeing, singer, sky, staatsoper, state, street, theater, tourism, travel, twilight, urban, vienna, view, wien, wiener,