Portrait of Colombian entrepreneur Jorge Alberto Muller at an outdoors event: 1boy, solo, age:68, old man, elder man, male focus, gray hair, short hair, green eyes, thick eyebrows, roman nose, clean-shaven, shaved, smooth face, striped shirt, brown cloth jacket, wise expression, (close-up:1.2), realistic, correct anatomy, vibrant colors, masterpiece, sharp focus, best quality, depth of field, cinematic lighting