spinosaurus, t rex, dinosaur battle, aggressive posture, sharp teeth, powerful jaws, muscular legs, dynamic action, claws extended, scales texture, prehistoric environment, lush ferns, ancient trees, riverbank, dramatic sky, intense fight scene, dust clouds, splashing water, natural light, dynamic angle, wide shot, realistic skin, detailed scales, ferocious expression, Jurassic era, high tension, survival struggle, vivid colors, action-packed, cinematic composition.