Ключевые слова: 4, aerial, age, air, alphabet, atmosphere, background, beautiful, beauty, become, birthday, blue, clear, climate, cloud, clouds, cloudscape, cumulus, day, dreamy, element, four, god, happy, heaven, high clouds, icon, isolated, letter, lettering, light, meteorology, middle clouds, monogram, naturally, number, number 4, number four, outdoors, sign, sky, spiritual, summer, symbol, text, textured, typography, weather, white, year,