a nocturnal scene depicts a waterway encircled by ominous dark clouds and a waterfall cascading from the heavens. fantasy concept

abstract acrylic art artistic artwork backdrop background blue cascading clouds color colorful concept creative creek dark decor decoration decorative depicts design dreamlike elegant encircled fantasy generative geometric graphic heavens imagination landscape light modern nature nocturnal ominous outdoor painting pattern peaceful poster retro river road rustic scene scenery shape sky style surreal texture view wallpaper water waterfall waterway