Ключевые слова: abstract, air, atmosphere, backdrop, background, beautiful, blue, bluesky, bright, brightly, climate, cloud, cloudiness, cloudscape, cloudy, color, day, daylight, environment, environmental, fluffy, freedom, heaven, high, light, nature, outdoor, overcast, ozone, pattern, scenery, sky, skylight, skyline, softness, space, spring, summer, sunlight, tranquil, weather, white,