Ключевые слова: architecture, bridge, bridges, cities, city, cityscape, dom luis i, dom luis i bridge, douro, douro river, duero, elevated view, europe, european, high angle view, historic site, historical, iberian peninsula, landmark, old town, oporto, ponte de dom luis i, ponte luis i, porto, portugal, portuguese, ribeira, river, skyline, southern europe, stream, tourist attraction, traditional, travel destination, travel destinations, western europe, world locations,