Ключевые слова: advent, architecture, art, beautiful, blue, building, cathedral, christian, christmaseve, christmasmarket, church, city, cologne, colognecathedral, colorful, day, december, decoration, dom, europe, european, evening, famous, german, germany, gothic, heritage, historic, history, landmark, large, market, medieval, night, old, outdoor, religion, sky, summer, tall, tourism, tower, travel, view, vintage, xmas,