Ключевые слова: aerial, apartment, architecture, belfry, building, church, city, cityscape, clouds, culture, door, douro, duero, europe, exterior, facade, filter, heritage, hill, historic, home, house, medieval, nobody, ochre, port, porto, portugal, portuguese, poverty, residential, retro, river, road, roof, ship, sky, square, stone, street, tile, tower, transport, vessel, vintage, wall, window, winery,