Ключевые слова: architecture, austria, austrian, blue, bridge, building, business, capital, center, centre, city, cityscape, commercial, contemporary, danube, day, dc, donau, donaustadt, donauturm, downtown, empire, europe, international, landmark, landscape, modern, office, panorama, reichsbrcke, river, riverside, sky, skyline, skyscraper, summer, tallest, tower, uno, urban, vic, vienna, view, water, wien,