Ключевые слова: abstract, air, atmosphere, background, beautiful, beauty, blue, bluesky, bright, clear, climate, cloud, cloudscape, cloudy, color, cumulus, day, environment, fluffy, freedom, heaven, high, light, meteorology, natural, nature, outdoors, oxygen, ozone, pattern, scene, scenic, sky, skybackground, skyclouds, skylight, space, stratosphere, summer, sunlight, weather, white, wind,