Ключевые слова: air, alone, atmosphere, backdrop, background, blue, centre, clean, clear, cloud, cloudless, cloudy, cumulus, day, ecology, environment, floating, fluffy, fly, free, freedom, heaven, independent, indigo, lonely, meteorology, natural, nature, nebulosity, nobody, one, outdoor, oxygen, pattern, pure, shape, single, sky, small, space, summer, view, weather, white,