Ключевые слова: adolphe, ancient, arch, arch bridge, architecture, benelux, blue, bridge, building, capital, city, cityscape, clouds, cultural heritage, culture, doubledecked bridge, dusk, europe, european, famous, green, heritage, historical, history, landmark, landscape, luxembourg, medieval, monument, nature, old, park, pont, pont adolphe, river, sky, stone, structure, summer, symbol, tourism, tourist, touristic, travel, tree, trip, urban, valley, view,