Ключевые слова: abandoned, adventure, ancient, beautiful, black, cave, caver, cavern, caves, caving, corridor, dark, darkness, deep, earth, entrance, environment, exploration, explorer, extreme, flashlight, gate, geologic, geology, girl, headlamp, hole, human, inside, lamp, light, man, mineral, mystery, natural, nature, night, outdoor, people, person, rock, shadow, stone, torch, travel, tunnel, underground, wall, yellow, young,