A minimalist top-down view of a white sand desert, dotted with distinct cacti, portrayed in a clean and modern vector illustration style. the scene should convey the vastness of the desert while showcasing the visually appealing patterns created by the cacti and sand. the color palette should consist of a harmonious blend of bright whites, soft blues, and muted greens. the composition should emphasize the abstract nature of the desert and cacti from the overhead viewpoint.