formation cloud sky scape. different cloud types and layers cover blue sky. white different layers cloudscape on

direction sunlight filter covering wispy altitude skyscape slow azure above evaporation sunset environmental dramatic speed move up vacation heap texture summer perfection serenity purity translucent outdoor evolving thin puffy only several stratosphere day beginning futuristic oriental motion religion tropics line idyllic front stretching calming stratocumulus sunrise change altostratus threatening sustainable