Ключевые слова: ancient, architecture, castle, color image, culture, dark, deep, europe, freemason, helix, high, historic, history, hole, initiation, inside, interior, landmark, lisboa, masonry, medieval, moss, mysterious, mystery, mystic, no people, old, outdoor, palace, park, portugal, portuguese, portuguese culture, quinta da regaleira, regaleira, sintra, spiral, spiral staircase, stair, staircase, stone, stone material, tower, travel, travel destinations, tunnel, underground, unesco world heritage site, well,