Ключевые слова: aerial, aerial view, architecture, boat, bridge, building, cathedral, catholic, church, city, cityscape, cologne, cologne cathedral, europe, germany, gothic, historic, historical, history, hohenzollern bridge, kln, klner dom, landmark, liner, north rhinewestphalia, panorama, panoramic view, passenger liner, passenger ship, railway bridge, rhein, rhine, river, ship, sightseeing, skyline, spire, steeple, tourism, tourist attraction, tower, travel, travelling, unesco, urban, vessel, view, water, world heritage site,