Ключевые слова: above, abstract, aerial, architecture, blue, building, business, center, central, church, city, cityscape, construction, design, downtown, europe, european, financial district, frankfurt, german, germany, hesse, house, landmark, landscape, main, modern, panorama, panoramic, river main, sky, skyline, skyscraper, street, summer, sun, sunset, tower, travel, urban, view, water,