Ключевые слова: adventure, adventurer, alone, back, background, beam, black, blue, bright, cave, cavern, caving, dark, darkness, deep, discovering, discovery, earth, entrance, exploration, explorer, exploring, extreme, geology, hiking, hole, human, inside, journey, landscape, light, male, man, mountain, mystery, natural, nature, night, person, rock, shadow, silhouette, sport, stone, torch, travel, tunnel, underground, view,