Ключевые слова: aquatic, arctic, baikal, blue, chemical formula, clear, climate, cold, conservation, cracks, crystal, deep, ecology, environment, fresh water, frost, frozen, glacial, global cooling, globe, h2o, horizon, ice, icy, landscape, letters, natural, nature, north, object, planet, pole, reserves, scenery, season, siberia, sign, sky, skyline, space, stock, structure, sun, surface, texture, transparent, water, wide angle, winter,