(CNN) — Striking images from the Sahara Desert show large lakes etched into rolling sand dunes after one of the most arid, barren places in the world was hit with its first floods in decades.

This striking astronaut photo shows off an "eye-catching" impact crater in the Sahara Desert ... the best images of Earth from space A group of five barchan, or "horned," sand dunes can be ...

I got my first lesson in the physics of sand dunes in 1998 on ... my seasons carefully. In the Sahara, for example, fall is best because the winds are relatively light and the weather is cool.

The Sahara strikes us as an eternal inferno of dunes ... desert. In the southwest part of Libya, a region called Fezzan is the beating heart of the Sahara, an inaccessible place full of sand ...

Water rushing between the sand dunes of southern Morocco ... where the water has returned, as Nasa images have shown. So, the old desert lakes will come back to life.” Six consecutive years ...