"An Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) image of barchan dunes in the northern Registan Desert, just south of the Afghan city of Kandahar."
Unknown author<span style="display: none;">Unknown author</span>
<a rel="nofollow" class="external free" href="https://earthobservatory.nasa.gov/images/4188/registan-dunes">https://earthobservatory.nasa.gov/images/4188/registan-dunes</a>