Ключевые слова: architecture, bridge, building, city, cityscape, dom, douro, downtown, dusk, europe, european, evening, famous, hill, historic, historical, history, horizon, illuminated, iron, landmark, landscape, lights, luis, luiz, metal, night, nova, old, oporto, panorama, panoramic, ponte, port, porto, portugal, portuguese, reflection, river, road, scenic, sky, sunset, town, transportation, travel, twilight, view, vila, water,