Ключевые слова: aerial, aerial view, architecture, building, buildings, church, city, cityscape, cologne, europe, germany, great saint martin, gro st martin, historic, historical, history, kln, landmark, north rhinewestphalia, panorama, panoramic view, rhein, rhine, river, romanesque, sightseeing, tourism, tourist attraction, tower, travel, travelling, urban, view, water,