Sand Desert Background at Foggy Bolivian Salt Flats

Landscape nature photograph: desert sand dunes at foggy morning, summer. national geographic editorial photography, warm sunset palette. Sharp focus, magazine-grade depth, dramatic atmospheric light, photoreal output, no watermarks. Photorealistic, naturally accurate light and ecology. No people in foreground unless requested. Specifically: salt flats bolivia mirror. Target search intent (rendered visually, no on-image text): "sand desert background" (en).