Ключевые слова: air, atmosphere, backdrop, background, beautiful, blue, bright, calmness, clear, climate, cloud, cloudscape, cloudy, color, colorful, condensation, cumulus, day, energy, environment, fluffy, freedom, fresh, green, heaven, high, light, lively, nature, object, open, outdoors, ozone, purify, refreshing, relaxation, scene, scenery, shine, sky, skyline, space, stratosphere, summer, sunlight, sunny, view, weather, white, wind,