Ключевые слова: adventure, cave, caveinterior, cavepath, cavern, cavernexploration, cavewall, darkness, depth, discovery, earth, erosion, excursion, exploration, formation, geology, geologyformation, geologytour, grotto, heritage, hidden, hiking, landmark, limestone, mineral, minerals, moisture, mystery, natural, naturalwonder, nature, naturepark, rock, rocks, scenic, science, shadows, speleology, stalactites, stalagmites, structure, subterranean, terrain, texture, tour, tourist, travel, underground, undergroundworld, wild,