Ключевые слова: alte, ancient, architecture, augustusburg, baroque, blue, bonn, bruehl, bruhl, building, castle, cologne, cultural heritage, europe, facade, falkenlust, garden, german, germany, heritage, historic, history, landscape, nordrhein, north, outdoor, palace, park, rhine, rococo, schloss, sky, travel, unesco, westfalen, westphalia, world, yellow,