Ключевые слова: architecture, building, castle, color, colorful, da, europe, european, exterior, famous, fantasy, fortress, heritage, hill, historical, history, landmark, lisboa, lisbon, monument, museum, nacional, national, old, outdoor, palace, palacio, park, pena, pena palace, people, portugal, portugese, portuguese, romantic, royal, sightseeing, sintra, sky, summer, tourism, tourists, tower, travel, unesco, view, visitors, world, yellow,