Ключевые слова: architecture, beautiful, blue, bridge, building, cathedral, catholic, christian, church, city, cityscape, cloud, cologne, dom, dome, dramatic, europe, european, famous, german, germany, gothic, great, historic, historical, hohenzollern, koeln, koln, landmark, light, night, old, orange, red, rhine, river, scene, sky, skyline, sunrise, sunset, tower, view, water,