dark grey pre-storm sky with clouds. the storm begins, beautiful background

cloud sky black darkness monochrome white line drawing floor light cumulus wall flooring storm sketch moon wing dark grey prestorm clouds gray stretched wires bad weather outside it 39aph39 frowning rain background beautiful autumn heavy downpour cold warm summer rainy gathering altostratus altocumulus destruction cyclone catastrophe bright atmosphere breeze air stormy cloudy nature street field city begins