Create a photorealistic, modern, high-definition color portrait of this man aged to 60 years old living today. Use the reference photo for his core facial identity and natural aging progression. Preserve his unique facial structure, bone structure, eye shape, nose shape, lips, and recognizable expression. Age him naturally to 60 with neat salt-and-pepper graying hair, natural fine wrinkles around eyes and forehead, mature skin texture with subtle age details, and a warm, wise expression. Dressed in tasteful modern casual attire such as a quality knitted sweater or a casual shirt with jacket. Professional photography, soft natural lighting, shallow depth of field with a subtle modern background, single portrait, ultra-realistic, highly detailed, 4k resolution.
