Ключевые слова: architecture, barrel, boat, boats, bridge, cask, cityscape, douro, downtown, embankment, european, fishing, fishing boat, fishing boats, gaia, historic, historical, house, keg, luis, luiz, nova, old, oporto, ponte, ponte luis, port, port wine, porto, portugal, portuguese, promenade, railway, ribeira, river, sail, ship, stone, summer, tourism, town, traditional, tram, transport, travel, vila, vila nova de gaia, villanova, water, wine,