Ключевые слова: 2013, aerial view, architecture, bridge, bridges, business, business district, center, central europe, city, city center, cityscape, downtown, europe, european, financial, financial district, frankfurt, german, germany, landmarks, main, main river, modern, night, office buildings, river, river main, scene, scenery, scenic, skyline, skyscrapers, the main, tourist attraction, town, travel destination, twilight, view, views, water, waterway,