Desert
Videos
A desert is a landscape where little precipitation occurs and, consequently, living conditions create unique biomes and ecosystems. The lack of vegetation exposes the unprotected surface of the ground
Sand dunes in the Rub' al Khali ("Empty quarter") of Arabia
A camel shepherd in southern Tunisia
Atacama, the world's driest non-polar desert, part of the Arid Diagonal of South America
Flash flood in the Gobi
Sahara
Videos
The Sahara is a desert spanning North Africa. With an area of 9,200,000 square kilometres, it is the largest hot desert in the world and the third-largest desert overall, smaller only than the deserts
Desert
…land can be made productive by the import of water from an outside source. Many trade routes have been forged across deserts, especially across the Sahara, and traditionally were used by caravans of camels carrying salt, gold, ivory and other goods. Large numbers of slaves were also taken northwards across…
The Sahara taken by Apollo 17 astronauts, 1972
An oasis in the Ahaggar Mountains
Sand dunes in the Algerian Sahara
Camel train at sunset in the Sahara