Ключевые слова: abstract, attraction, beautiful, cave, cavern, chamber, creation, europe, european, footpath, formation, illuminated, inside, interior, karst, landmark, limestone, monument, natural, nature, paving, people, postojna, rock, room, sights, slovene, slovenia, slovenian, stalactite, stalagmite, system, tour, tourist, trail, travel, trip, underground, walkway,