Ключевые слова: abstract, air, aviation, background, beautiful, beauty, blue, bright, clean, clear, climate, cloud, cloud group, cloud shape, clouds, cloudscape, cloudy, cloudy day, cloudy sky, color, day, daylight, daytime sky, environment, fluffy, freedom, freeform, heaven, high, imagination, light, natural, nature, outdoor, ozone, peace, peaceful, pure, scene, scenic, season, shadow, sky, softness, space, sunlight, view, weather, white, wind,