In order to reach Djanet (Algeria) on the Tamrit high plateau (Tassili n'Ajjer), one must overcome – on foot or by camel – three steep, rocky paths known as akbas, one after the other.

View of the Green River as it flows through Canyonlands National Park (Utah), created in 1964. The river was given its name in the 16th century by the Spaniards, impressed by the bordering vegetation, rare in the parched landscape, which was reflected in the water.

Hairpin curves of the Sanjuan River, one of the tributaries of the Colorado, near Mexican Hat in the southeast corner of Utah.

From Djanet, two passes lead over the rock face that forms the western edge of the Tassili n'Ajjer to the summit plateau: the Tafilalet pass (photo), which leads in three successive steps (Akba) to the village of Tamrit, and the more direct and steeper Aroum pass, which leads to Jabbaren. - Algeria - 1962

In order to reach Djanet on the Tamrit high plateau (Tassili n´Ajjer), one must overcome – on foot or by camel – three steep, rocky paths known as akbas, one after the other. - Algeria - 1962

After crossing the Tafilalet pass, the trail descends again through a gorge to Tamrit. - Algeria - 1966

A small caravan in the Enneri Bessama between Bardaï and Soborum. "Enneri" means something like "river". Like a wadi, it is characterised by the fact that it is almost always dry. - Tibesti - Chad - 1967

View of the Enneri Bessama (Tibesti). Note the small figure: it serves as a scale for the landscape. "Enneri" means something like "river". Like a wadi, it is characterised by the fact that it is almost always dry. The road that connects Bardaï with Soboroum runs through the bed of the Enneri Bessama. The volcanic tuff seems to have been cut with a gigantic sword stroke; soft, very fine sand, which makes walking difficult, fills the bottom of the Enneri. - Tibesti - Chad - 1967

View of the Enneri Bessama (Tibesti). Note the two men: they serve as a scale for the landscape. "Enneri" means something like "river". Like a wadi, it is characterised by the fact that it is almost always dry. The road that connects Bardaï with Soboroum runs through the bed of the Enneri Bessama. The volcanic tuff seems to have been cut with a gigantic sword stroke; soft, very fine sand, which makes walking difficult, fills the bottom of the Enneri. - Tibesti - Chad - 1967

Typical landscape with the orange sand, Bou Ediane region. Algeria - Tadrart - 1993

Passage through the Agamgam Gorge - Aïr - Niger - 2001

The caravan moves in the morning light in Wadi Temet - Niger - Aïr - 2003

A waterhole in the northern part of the Tamgak Mountains - The water supply needs to be replenished - Aïr - Niger - 2001

A waterhole in the northern part of the Tamgak Mountains - Aïr - Niger - 2001

Descent from a pass in the direction of Oued Tamgak. - Aïr - Niger - 2001

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