Ключевые слова: adventure, background, beautiful, blue, cave, centuryold, cold, colorful, cross, excursion, exploring, extreme, frost, frozen, geology, glacier, grotto, ice, icicle, icy, inside, karst, kungur, lake, landmark, landscape, light, mineral, mountain, national, natural, nature, park, red, rock, rugged, russia, season, snow, speleology, stalactite, stalagmite, stone, tourism, tourist, travel, tunnel, underground, water, winter,