dramatic Photorealistic,hyper detailed Matte Painting of an under water scene with a deep sea submersible with bright head lights exploring post apocalyptic underwater ruin city street,dark Tall empty buildings,gigantic blue whale swims above by Greg Rutkowski,Craig Mullins,Hyperrealism,Beautiful dark dramatic moody lighting,underwater caustics,Cinematographic Atmosphere,Volumetric light rays,VRay Rendering,8K