Prompt: A 30 to 35-year-old brunette man, smiling and exuding a sense of happiness, on a short-hike mountain bike, wearing a red t-shirt --v5 ::3, in a sunny plain landscape, in mid-afternoon, with wheat and corn fields on each side --v5 ::2. The sunlight is bright and warm, creating shadow and light plays across the scene --ar 16:9. In the horizon, mountains emerge, adding depth and dimension to the composition --v5. The style should be ultra-realistic --v5 ::1, highlighting the expressive details of the man's face, the texture of the t-shirt, the diversity of vegetation in the fields, and the subtle nuances of the mountainous landscape in the background.