Ключевые слова: blue sky, cathedral, cathedral tower, chapel, church, church tower, cologne, cologne cathedral, deutschland, dom, early morning, europe, germany, gothic architecture, gothic style, historic monuments, kln, klner dom, koeln, land nordrhein westfalen, landscape, morning, north rhine westphalia, old city, old town, scenery, sky, steeple, street, sunny, symbol, travel, unesco world heritage, world cultural heritage, world heritage,