Ключевые слова: ancient, and, architecture, black, boat, bridge, building, city, cityscape, colorful, day, destination, douro, europe, european, exterior, famous, hill, history, house, landmark, location, old, oporto, outdoor, panorama, panoramic, place, porto, portugal, portuguese, river, scene, ship, skyline, tourism, town, traditional, travel, urban, view, vlack, water,