Ключевые слова: aerial, architecture, bank, boats, bridge, bright, buildings, busy, cais da ribeira, cais ribeira, cityscape, colorful, destination, downtown, duoro, duoro river, harbor, hill, historic, horizon, houses, iberia, landscape, old town, oporto, orange, outdoors, picturesque, porto, portugal, portuguese, rabelo, ribeira, river, river duoro, riverside, scenic, ships, tourism, touristic, tourists, town, travel, warehouses, water, waterfront, wine caves, wine cellars, world heritage,