Ключевые слова: aquatic, arbon dioxide, arctic, background, baikal, blue, chemical formula, clear, climate, co2, concept, conservation, cracks, crystal, ecology, environment, frost, frozen, gas, glacial, glacier, greenhouse effect, horizon, ice, icy, landscape, letters, nature, object, pole, pollution, rays, season, sign, sky, skyline, sun, texture, transparent, water, wide angle, winter,