Rocks, canyons, mountains, mesas, valleys, rivers, plants, animals of many species. A desert is much more than sand.
An illusion
There is much more in the desert besides sand. Deserts have mountains, canyons, plains, sand dunes, many specialized plants and animals. The desert is a wonderful and fascinating place if you just take time to see.
You might mean a mirage.
Sand, sand, and desert sand
A hill of sand in a desert is normally referred to as a dune
The Arabian Desert is the largest sand desert.
The largest sand desert is the Arabian Desert in Asia.
Sand is on the desert.
Sand is on the desert.
Desert sand originates from the erosion of rocks and minerals in desert regions.
A sand desert ia call an erg.
SAND