Coastal dunes are a ridge, or a series of ridges, that form at the rear of a beach and differ from most other constructional coastal landforms in ... large reserves of sand and suitable nearshore ...

including the tallest stabilized sand dunes in the world, a myriad of interdunal lakes, and a range of aeolian landform features. The mega-dunes form an undulating landscape, among which the tallest ...

The yardang/kalut landforms are widely considered the best-expressed in the world in terms of extent, unbroken continuity and height. The Lut sand-seas are amongst the best developed active dune ...

It displays spectacular ongoing geological and geomorphic features of desert landscapes and landforms which may well be unparalleled. Noteworthy features, among others, include the world’s tallest, ...