Ключевые слова: 2021, 3d, background, banner, blue, business, calendar, card, celebration, christmas, cloud, cold, color, concept, cover, date, day, december, environment, freeze, frost, frozen, greeting, hill, holiday, ice, illustration, land, landscape, mountain, nature, new year, number, outdoor, peaceful, season, sign, sky, snow, snowcap, snowdrift, snowfall, snowy, soft, weather, white, winter, xmas,