Northern Africa "Sahara desert" Northern Africa Northern Africa Northern Africa Central Sahara desert Northern Africa Central Sahara desert "Sahara desert" Northern Africa "Sahara desert" Northern Africa World Wildlife Fund "Sahara desert" Northern Africa "Sahara desert" Northern Africa "Sahara desert" "Northern Africa" Central Sahara desert Northern Africa Northern Africa „Sahara desert” "Sahara desert" "Sahara desert" "Sahara desert" Northern Africa Northern Africa Northern Africa Northern Africa World Wildlife Federation: Northern Africa „Sahara desert” "Sahara desert" "Sahara desert" Northern Africa and the Sahara desert