But you must be careful. It is easy to get lost in the waves of moving sand especially during sandstorms.

VOA: special.2010.01.04

It lies between sand hills covered with pine trees and rich farmland near the Mississippi River.

VOA: special.2010.01.03

It is one of the largest sand dune fields in the United States.

VOA: special.2010.01.04

So it is difficult to see the animals in the sand.

VOA: special.2010.01.04

So it is rarely found in the form of sand dunes.

VOA: special.2010.01.04

The ash clouds include particles of rock, glass and sand that can get into an aircraft's engine and cause it to stall.

VOA: standard.2010.04.17

For example,it says climate change and land use are expected to increase desertification worldwide, increasing the risk of sand and dust storms.

VOA: standard.2009.03.23

Naturally it's called Four Corners. Nearby,you'll find the Painted Desert with sand of many colors, and the world's largest site of petrified prehistoric rock.

VOA: standard.2010.03.22