
Lakes have appeared in the Sahara after a cyclone brought a deluge of rain to northern Africa that drenched swathes of the largest hot desert on Earth, satellite images show.
An extratropical cyclone hit parts of Morocco, Algeria, Tunisia and Libya on Sept. 7 and 8, dropping around 8 inches (20 centimeters) on the affected areas — equivalent to an entire year's worth of rainfall in just a few days, according to NASA's Earth Observatory.