vertical image of blue sky and white clouds on daytime.

abstract air atmosphere autumn background beautiful beauty blue bluewhite blurred bright brightly clear climate cloud clouds cloudscape cloudy color condensation cumulus cyan day daylight daytime environment fluffy freedom gradient group heaven high horizon idyllic image light meteorology morning natural nature open outdoor ozone pastel pattern peaceful purity scene scenery scenic shape sky skyline space stratosphere summer sunlight sunshine transparent vertical view weather white wind windows