A young woman with a toned physique stands confidently at the beach beside a lifeguard tower. Her symmetrical eyes shine as dramatic lighting casts artistic shadows across her face, enhancing the realism of the scene. The image is captured in sharp focus, showcasing a highly complex and intricate composition reminiscent of hyperrealistic photography. Utilizing raytracing and physics-based rendering, each detail is meticulously rendered in ultra-high-resolution, creating the effect of an 8K CG wallpaper. The scene benefits from expert post-processing with vivid color grading, where rim lighting accentuates her figure, resulting in a vibrant and visually arresting portrait.