Ключевые слова: ancient, architecture, background, beautiful, blue, boat, bridge, building, city, cityscape, colorful, douro, downtown, europe, european, famous, historic, historical, history, house, landmark, landscape, old, oporto, outdoors, panorama, panoramic, port, porto, portugal, portuguese, ribeira, river, rooftop, sky, skyline, structure, sunset, tourism, tourist, town, traditional, travel, urban, view, vila nova de gaia, water, wine,