中年男子扶着后颈表情痛苦图片

A middle-aged Chinese man clutching his neck, exhibiting neck pain. Infrared thermal imaging highlights the red area of the neck, indicating the pain zone. The image is extremely clean, with a completely white background, no background clutter, and no decorative lines. The composition is complete, with the upper body fully visible without cropping, a 3:4 aspect ratio. Commercial photography, medical education style, high-key photography.