Ключевые слова: ancient, arch bridge, architecture, art, artwork, attraction, bank, blue, boat, bridge, building, cathedral, catholic, ceramic, chapel, city, cityscape, concept, culture, dom luis i bridge, douro, european, historic, historical, landmark, passing, port, portugal, put on dom luiz i, religion, religious, retro, scene, sky, skyline, souls, street, sun, tile, toilet, town, traditional, typical, urban, useful, walking, wall, wine,