Ключевые слова: ancient, arabic, architecture, blue, building, castle, color, colorful, construction, culture, europe, exterior, facade, famous, forest, fortress, heritage, hill, history, landmark, lisbon, medieval, museum, nacional, national, old, palace, palacio, park, patrimony, pena, portugal, portuguese, romantic, royal, sintra, site, sky, tourism, tower, traditional, travel, unesco, view, world, yellow,