Ключевые слова: above, aerial, architectural, architecture, bridge, building, cathedral, catholic, central, christian, church, city, cityscape, cloud, cologne, dusk, embankment, europe, european, famous, german, germany, gothic, great, hohenzollern, illuminated, innenstadt, koeln, landmark, night, outdoor, reflection, rhine, river, romanesque, sky, tourism, touristic, tower, twilight, water,