Ключевые слова: architecture, attraction, beautiful, billboards, boats, bridge, building, city, cityscape, dom luis, dom luis bridge, downtown, duoro, dusk, europe, european, evening, famous, golden, historic, historical, illuminated, landmark, landscape, luiz, lus, nighttime, old, oporto, panorama, port, portugal, portuguese, river, sky, skyline, sun, sunset, town, travel, twilight, urban, view, vila nova de gaia, water,