serene sky. tranquil cloud background high detailed plain background concept

background serene sky tranquil cloud high detailed plain concept airy atmospheric calm patterns cotton candy clouds cumulus dreamy dusk ethereal fading light farreaching vista fluffy golden hour heavenly horizon idyllic infinite luminous majestic nature orange tint overcast pastel tones peaceful scenery reflective scenic serenity skyscape slow transition soft focus hues spectacular view stratosphere sublime sun rays sunlit time tranquility