Ключевые слова: aerial, architecture, bank, blue, bridge, building, business, center, central, city, cityscape, contemporary, corporate, destination, district, downtown, europe, facade, finance, frankfurt, german, germany, highrise, landmark, main, main river, metropolis, modern, office, panorama, pedestrian, place, river, riverbank, scene, scenic, sightseeing, sky, skyline, skyscraper, summer, tourism, tower, town, travel, urban, vacation, view, water, waterfront,