Ключевые слова: architecture, bavaria, blue, boat, bridge, building, cathedral, city, cityscape, danube, day, europe, european, exterior, famous, germany, gothic, heritage, historic, historical, history, house, landmark, medieval, old, regensburg, river, scenic, site, sky, steam, stone, stream, style, summer, tourism, tourist, tower, town, travel, unesco, urban, view, water, world,