Ключевые слова: abstract, air, azure, background, blue, bright, celestial, cloud, cloudscape, color, cumulus, day, divine, environment, firmament, fluffy, group, heaven, heavenly, high, light, many, meteorology, natural, nature, outdoors, sky, skylight, skyline, softness, space, stratosphere, sunlight, sunshine, surface, texture, textured, tranquil, vault, view, weather, welkin, white, wind, windy,