Ключевые слова: abstract, activity, adventure, air, arctic, backdrop, background, baikal, baikal lake, blue, bubbles, clear, cold, cool, extreme, fragile, frost, frosty, frozen, glacier, global warming, holiday, ice, island, lake, landmark, landscape, leisure, light, mountain, nature, outdoor, outside, russia, season, shape, siberia, sky, snow, structure, sulfide hydrogen, texture, tourism, transparent, travel, trip, vacation, wallpaper, weather, winter,