Ключевые слова: abstract, adventure, arctic, background, beauty, blue, cave, cavern, clear, climate, cold, color, crystal, environment, exploration, extreme, frost, frozen, geology, glacial, glacier, global, hole, horizontal, ice, ice cave, iceberg, iceland, icicle, icy, inside, landscape, light, melt, mountain, nature, north, outdoor, russia, scenic, season, snow, tour, tourism, travel, underground, warming, water, white, winter,