Ключевые слова: abstract, air, atmosphere, background, beautiful, beauty, blue, blue sky, bright, clean, clear, climate, cloud, cloudscape, cloudy, cumulus, day, environment, fluffy, freedom, group, heaven, high, landscape, natural, nature, outdoor, oxygen, ozone, pattern, peace, pure, scenic, season, seasonal, sky, skylight, smooth, softness, space, sparse, summer, sunlight, sunshine, textured, vibrant, view, weather, white, wind,