Ключевые слова: ancient, architecture, art, black, bottom view, castle, column, da, dark, deep, fractal, garden, gothic, green, hole, initiation, lisbon, luxury, mansion, mason, masonry, medieval, moat, moss, nobody, old, outdoor, park, pattern, portugal, portuguese, quinta, regaleira, repeat, sintra, stair, stone, structure, subterranean, tower, tunnel, underground, well, wide angle, worms eye view,