The smallest dunes are the ones most affected by the wind, so their direction indicates the way the wind is blowing. If at all possible, land on the sunny side of a sand dune; the shady side ...

Primary vegetation gives stability to the sand dune which, in turn, traps sand. Wind is then deflected over the ridge and vegetation, creating shelter for larger plants to grow and establish.

This 2013 astronaut photo shows a giant eye-shaped impact crater in the Sahara Desert that is slowly being circled by ...

as the wind scours the sand", leading to erosion through sand loss. Mr Liddiard said the dunes were a "very popular spot", receiving many visitors each year. The Environment Department said the ...

This southwestern park features the largest sand dunes in North America, and the key to their extraordinary height ... Some of these remarkable hills are formations known as star dunes, molded by ...