Ключевые слова: alley, ancient, architecture, boat, building, cathedral, channel, charming, city, cityscape, daytime, dock, door, douro, downtown, europe, facade, harbor, hill, house, idyllic, medieval, metropolis, old, outdoor, outdoors, picturesque, port, porto, portugal, river, roof, scene, ship, sky, spire, street, toilet, tourism, tower, town, transportation, travel, urban, vehicle, waterfront, window,