Ключевые слова: ancient, arch, architecture, art, basilica, building, cathedral, catholic, christian, christianity, church, cologne, culture, destination, dom, dome, europe, exterior, facade, famous, german, germany, gothic, heritage, historic, history, koln, landmark, large, masterpiece, medieval, monument, ornament, ornate, outdoor, religion, religious, roman, sightseeing, sign, sityscape, sky, stone, symbol, tour, tourism, tower, travel, vacation, worship,