young man, (18yo), visible scars, contemplative expression, short messy hair, light stubble, casual clothing, t-shirt, jeans, sitting on a wooden bench, summer day, art gallery background, paintings on walls, soft natural light from large windows, relaxed posture, crossed legs, hands on lap, 3/4 view, detailed texture, realistic style, ambient light, serene atmosphere, indoor setting, high ceiling, marble floor, wide angle view.