koi fish in the underwater baroque kingdom of neptune. neon light, masterpiece 4 k digital illustration by ruan jia and mandy jurgens and william - adolphe bouguereau, award winning, artstation, gustave dore'background, intricate details, realistic, panoramic view, volumetric lighting, sun rays beaming, hyperdetailed, 8 k resolution, golden hour, intricate art nouveau, smooth, sharp focus, rendered in unreal engine 3