Ключевые слова: abyss, adventure, ancient, breathtaking, cavern, cavernous, central, danger, darkness, dig, discovery, eerie, ember, enigmatic, exploration, fire, flickering, glow, hidden, illuminated, light, mesmerizing, mystical, natural, primal, primitive, protected, rocks, safety, secret, shadows, solitude, spelunking, stalactites, stalagmites, subterranean, survival, the, tunnel, underground, warmth,