Ключевые слова: ancient, architecture, blue, boat, boats, bridge, building, city, cityscape, douro, duoro, dusk, europe, european, evening, famous, hill, historic, historical, history, houses, illuminated, landmark, light, old, oporto, orange, panorama, ponte, port, porto, portugal, portuguese, reflection, river, romantic, sky, sunset, tourism, town, transporting, travel, twilight, urban, vila, water, wine,