Ключевые слова: abstract, activity, background, beautiful, blue, bright, christmas, clean, cold, covered, day, december, footprint, forest, freeze, fresh, frost, frosty, frozen, grass, ground, high, ice, icy, january, landscape, light, mark, mountain, nature, outdoor, pattern, season, sky, smooth, snow, snowfall, snowflake, snowy, surface, texture, trace, track, trail, tree, view, weather, white, winter,