Large piles of sand are called dunes.
A large area of sand dunes in the desert is called a dune field. A large dune field is called an erg.
The massive wind blown piles of sand are called sand dunes. This is when sands blow into a pile.
The Sahara Desert, N. Africa, is often given as an example of a huge area of shifting sand dunes. Though, actually, the dunes form only a small part. The main part consists of rocky 'hamada': high, largely barren, hard, rocky plateaus, with very little sand.
In the north of Africa there is a very large desert called the Sahara, and in the south there is a smaller desert called the Kalahari.
Africa has a vast and varied landscapes made up of shifting sand dunes,rain forest,sweeping savannas , large deserts and coastal plains .
sand dunes
Victoria Falls is a large waterfall in Africa.
sand dunes
There are large sand dunes located all over the world. Some of the largest dunes are located in France, China, Colorado, Namibia, Algeria, and Australia.
Sand 'hills' are normally called 'dunes', they form on large sandy beaches and in deserts.
Elephants are to be found in both .