Ключевые слова: architecture, area, austria, blue, building, business, capital, city, cityscape, contemporary, corporate, creative, danube, day, dc, donau, donaucity, donauinsel, environment, europe, european, evening, glass, growth, high, industry, island, landmark, landscape, life, modern, office, outdoor, reflection, sky, skyline, skyscraper, summer, tower, urban, vienna, view, wien, windows,