Create a realistic image of a young woman with an athletic build lying on a grassy area near a mountain stream. She appears to be resting and has her eyes closed, with a peaceful expression on her face. Her athletic wear, including moisture-wicking leggings and a breathable top, is slightly damp from sweat. The grassy area is lush and green, and the background features a cascading mountain stream with clear, sparkling water. The surrounding landscape includes rugged mountains and a clear blue sky. The natural light enhances the serene and tranquil atmosphere of the scene, highlighting the woman's relaxed posture and the beauty of the natural setting