The Sahara is a vast desert.
He survived the crash, only to die in the desert.
One-third of the Earth's surface is desert.
A vast desert lay before us.
The desert sun grilled him.
Desert ecology is a new field of study.
We ran out of gas in the middle of the desert.
Desert sand cools off rapidly at night.
Canals have been built to irrigate the desert.
Camels are often used to travel in the desert.