Ключевые слова: aerial, architecture, boat, boats, bridge, building, city, cityscape, dom luis bridge i, douro, douro river, downtown, europe, european, famous, historical, house, landmark, landscape, old, outdoors, port, porto, portugal, portuguese, river, sailing ship, scenic, ship, skyline, summer, sunny, tourism, tourist, town, travel, urban, vacation, view, viewpoint, vila nova de gaia, water,