Ключевые слова: architecture, azulezhu, background, beautiful, blue, blurred, building, calm, cathedral, catholic, ceramics, church, city, cityscape, day, douro, downtown, europe, european, hill, historical, house, landmark, landscape, medieval, old, overview, paneling, panorama, port, porto, portugal, region, roof, skyline, temple, tiles, tour, tourism, tower, town, travel, unesco, unique, view, villa, window, wine, winery,