Ключевые слова: air, atmosphere, background, beautiful, beauty, blue, bright, clear, climate, cloud, cloudscape, cloudy, color, cumulus, day, environment, fluffy, freedom, heaven, heavenly, high, light, meteorology, natural, nature, outdoor, oxygen, ozone, pattern, peace, pure, religion, scene, scenic, sky, space, stratosphere, summer, sunlight, weather, white, wind,