Ключевые слова: ancient, arch, architecture, art, beautiful, building, cathedral, catholic, catholicism, christian, christianity, church, city, cologne, decoration, dom, dome, door, entrance, europe, european, exterior, facade, faith, famous, gate, german, germany, god, gothic, heritage, historic, history, jesus, koeln, koln, landmark, medieval, old, religion, religious, sightseeing, sky, statue, style, temple, tourism, tower, travel, unesco,