Ключевые слова: aachen, ancient, architecture, beautiful, blue, building, cathedral, catholic, christian, church, city, color, cultural, day, detail, deutschland, dom, europe, exterior, famous, german, germany, gothic, heritage, historic, holy, imperial, land, landmark, landscape, medieval, north, old, religion, rhine, roman, scenery, sky, stone, street, sunny, tourism, tower, town, travel, urban, window, world,