Ключевые слова: architectural, architecture, beautiful, benelux, bridge, building, capital, castle, church, city, cityscape, downtown, europe, european, fortifications, heritage, hill, historic, historical, history, horizontal, house, landmark, landscape, luxembourg, luxemburg, medieval, mountain, old, panorama, park, picturesque, river, rock, scenic, site, skyline, spring, summer, tourism, town, tradition, travel, urban, valley, viaduct, view, world,