Ключевые слова: abstract, arctic, asia, background, baikal, blue, cavern, cavity, climate, cold, cracks, crystal, deep, den, environment, frazil, fresh, frost, frozen, glacial, glacier, grot, grotto, hole, hollow, ice, icicles, natural, nature, nobody, north, olkhon, outdoor, pattern, season, shape, structure, surface, texture, textured, travel, vertical, void, wall, water, wet, white, wild, winter,