Main subject: Natural landscape with film texture. Scene: Open outdoor natural scene, matching the magnificent natural style captured by National Geographic photography. Style: Realistic documentary style, combining retro film texture, and consistent with the professional aesthetic tone of national geographic photography. Color palette: Natural and pure color scheme, restoring the true colors of outdoor natural landscapes, paired with the unique soft warm tone of film. Lighting: Outdoor natural lighting effect, simulating the soft transition of light and shadow under natural light to highlight the layering of scenery. Composition: Showing the openness and depth of the natural scene. Usage: Suitable for travel-themed social media images, outdoor documentary shot materials, natural-themed cultural and creative product background images, and outdoor brand promotion materials.