Ключевые слова: along, architecture, boat, buildings, cais da ribeira, city, cityscape, colorful houses, culture, dom luis i bridge, douro river, embankment, europa, european, harbor, hill, history, landmark, old, old multicolored houses, old town, oporto, over, panoramic, picturesque, pier, port, porto, porto ribeira, portugal, portuguese, riverfront, roofs, rooftops, skyline, sunset, tourism, town, traditional facades, travel destination, typical, unesco, urban, vacation, view, vila nova de gaia, vinho do porto, vintage, windows, world heritage site,