Ключевые слова: 2021, 3d, background, blue, business, card, celebration, change, christmas, city, color, concept, cube, digit, environment, event, field, freedom, goal, grass, green, greeting, happy, holiday, illustration, landscape, lawn, leisure, nature, new, new year, number, outdoor, park, red, season, sky, sunlight, sunshine, symbol, text, time, tree, urban, white, xmas, year,