Ключевые слова: architecture, attraction, boat, bridge, building, buildings, carlota, city, cityscape, culture, destination, do, douro, douro river, europe, european, famous, harbor, heritage, historic, historical, landmark, navigation, old, oporto, outdoor, people, port, portugal, portuguese, river, sailing, scenery, scenic, session, ship, skyline, tourism, tourist, tourist boat, tourists, town, traditional, transport, transportation, travel, unesco, view, water,