Covering 10,500 square kilometers, Bolivia's Salar de Uyuni is the world's largest salt plain.
Desert Irrigation Makes for Spectacular Imagery
Although it may be difficult to irrigate fields in the middle of the the Wadi As Sirhan basin of Saudi Arabia, the practice does lead to stunning and beautifully contrasting imagery, as evidenced in this European Space Agency (ESA) false-color image from the Proba-V minisatellite.