Ключевые слова: ancient, architecture, background, beautiful, blue, building, center, centre, city, cityscape, clerigos, color, colorful, culture, decoration, douro, europe, european, exterior, facade, historic, historical, house, landmark, liberdade, narrow, old, oporto, outdoors, porto, portugal, portuguese, retro, ribeira, river, square, street, tiles, torre, tourism, town, traditional, travel, typical, urban, view, vintage,