Christophe Courteau / West African giraffes {Giraffa camelopardalis peralta}. Dallol Bosso Nord, Sahel, Niger.

Loic Poidevin / Mineral deposits at the Dallol hydrothermal site, Salt lake Karoum, Danakil depression, Ethiopia, February 2009

Loic Poidevin / Man walking over colourful mineral deposits at the Dallol hydrothermal site on the Karoum salt lake, Danakil depression, northern Ethiopia, February 2009

Loic Poidevin / Mineral deposits at the Dallol hydrothermal site on the Karoum salt lake, Danakil depression, northern Ethiopia, February 2009

Chadden Hunter / Dallol hot springs where water heated by magma laden with potassium, sulphur and iron spews up through salt pans staining the salt deposits with vivid colours, in the bottom of the Rift Valley, 120 me...

Christophe Courteau / West African giraffes in bush {Giraffa camelopardis peralta}. Dallol, Sahel, Niger.

Christophe Courteau / West African giraffe calf {Giraffa camelopardalis peralta}. Dallol Bosso Nord,

Christophe Courteau / West African giraffe adult & calf {Giraffa camelopardalis peralta}, Niger.

Christophe Courteau / West African giraffes {Giraffa camelopardalis peralta}. Dallol Bosso Nord, Sahel, Niger.

Christophe Courteau / West African giraffe female head close up feeding {Giraffa camelopardis peralta} Niger.

Christophe Courteau / West African giraffe feeding {Giraffa camelopardis peralta}. Sahel, Niger.

Loic Poidevin / Mineral deposits at the Dallol hydrothermal site, Salt lake Karoum, Danakil depression, Ethiopia, February 2009