Ключевые слова: architecture, beautiful, blue hour, bridge, building, business, center, central europe, church, city, cityscape, district, downtown, europe, european, evening, finance, financial, frankfurt, german, germany, gold, illuminated, landmark, landscape, light, lighting, luminous, main, medieval, modern, night, office, old town, outdoors, panorama, reflections, river, riverside, skyline, skyscraper, tourism, tower, town, travel, twilight, urban, vacation, view, water,