Prompt: Summer portrait of an old man with clear eyes, conveying a rural and peaceful emotion. His face is marked by life's experiences, with deep wrinkles and a sincere, penetrating gaze. He wears a straw hat, adding an authentic touch. The old man is sitting in a vast plain, symbolizing the openness and tranquility of rural life. The background shows the expanse of a summer field, with shades of green and yellow under a clear blue sky. The portrait is captured in a realistic photography style with Kodak Portra 400 film, for a soft and warm rendering. The natural afternoon summer lighting emphasizes the serenity and wisdom of the subject.