Plant in desert sand, route from Atar to Tidjikja, Adrar region, Mauritania, Africa

Sand ridges in the Sahara desert between Nouadhibou and Atar, Dakhlet Nouadhibou region, Mauritania, Africa

Tire tracks in the desert sand, route from Atar to Tidjikja, Adrar region, Mauritania, Africa

Desert landscape with sand dune and rocky hills, route from Atar to Tidjikja, Adrar region, Mauritania, Africa

Herd of goats in front of the Aicha monolith in the flat desert, Adrar region, Mauritania, Africa

View over the river Senegal to the Senegalese town of Podor, Lekseiba II, Brakna region, Mauritania, Africa

Nomad tents in a sandstorm, Adrar region, Sahara, Mauritania, Africa

Dromedary in front of sand dunes, Adrar Region, Mauritania, Africa

Mountain scenery at Amogjar pass, Atar, Adrar Region, Mauritania, Africa

Mountain scenery at Amogjar pass, Atar, Adrar Region, Mauritania, Africa

Sand waves, sand structure, evening light, Dakhlet Nouadhibou region, Mauritania, Africa

Mud lake formed after heavy rains, Adrar region, Sahara, Mauritania, Africa

Donkeys transport salt blocks from the salt mines, Assale Salt Lake, Lake Assale, Danakil Valley, Afar Region, Ethiopia, Africa

Donkeys transport salt blocks from the salt mines, Assale Salt Lake, Lake Assale, Danakil Valley, Afar Region, Ethiopia, Africa

Camels and donkeys loaded with rock salt plates walk through a salt lake, Danakil depression, Ethiopia, Africa

Camels and donkeys loaded with rock salt plates walk through a salt lake, Danakil depression, Ethiopia, Africa

Camels and donkeys loaded with rock salt plates walk through a salt lake, Danakil depression, Ethiopia, Africa

Donkey caravan loaded with rock salt plates on the way home through a salt lake, salt desert, Danakil Depression, Ethiopia, Africa

Donkeys in the desert, Aleg, Brakna region, Mauritania, Africa