blue cloud clouds colored colors coloured colours conditions contrast fine formations gray grey heavy light lighting movement perspectives shapes shining skies sky southern spreading sun textures variations various cloud formations weather white afterglow amber atmosphere atmospheric color colour contrasting dark darkening dusk evening glory golden lines mood setting-sun streaks sunset abstract alien apocalypse background bad black blazing burn burning circle dez pain disc ember evil fire flame flames graphic halloween hell hot pattern red sci-fi star symbol texture vector xymonau arborescent bad zwesten branch branched branches bushes cloudless crown forest frost frosty germany high landscape nature pastel pine snow snowy spring sunlight sunshine tall tree trees treetop winter