Ключевые слова: ancient, architectural, architecture, background, beautiful, blue, building, centre, city, cityscape, color, colorful, decoration, downtown, exterior, facade, heritage, historic, house, multicolored, old, oporto, outdoor, pattern, port, porto, portugal, postcard, red, ribeira, street, tiled, tourism, town, tradition, traditional, travel, typical, unesco, urban, vibrant, windows, world,