Ключевые слова: ancient, arabian, architecture, building, castle, cliff, europe, exterior, famous, fort, fortification, fortress, heritage, hill, historical, landmark, landscape, lisboa, lisbon, moorish, moors, mountains, mouros, museum, national, old, outdoor, palace, pena, portugal, portugese, portuguese, rock, rocks, ruins, rural, sightseeing, sintra, stone, sunset, tower, town, travel, unesco, wall,