Eric Baccega / Salt caravans made up of hundreds of Dromedary camels (Camelus dromedarius) and their pullers transporting salt slabs cut from Lake Assale to the Mekele Market, Danakil depression, Afar region, Ethiop...

Angelo Gandolfi / Dromedary camel (Camelus dromedarius) train crossing Merzouga dunes, Tafilalt, Sahara, Morocco, March 2007.

Enrique Lopez-Tapia / Salt caravan of dromedary camels (Camelus dromedarius), crossing Lake Assale, one of the largest salt lakes in Africa. Afar Region, Ethiopia, Africa. November 2014.

Enrique Lopez-Tapia / Salt caravan of dromedary camels (Camelus dromedarius), crossing Lake Assale, one of the largest salt lakes in Africa. Afar Region, Ethiopia, Africa. November 2014.

Enrique Lopez-Tapia / Salt caravan of dromedary camels (Camelus dromedarius), Lake Assale, in the Danakil depression, Afar Region, Ethiopia, Africa. November 2014.

Hanne & Jens Eriksen / Dromedary camel (Camelus dromedarius) train across sand dunes. Liwa, United Arab Emirates. December 2007

Pete Oxford / Nomad with Bactrian camels {Camelus bactrianus} Gobi desert, Mongolia.

Pete Oxford / Nomad with Bactrian camels {Camelus bactrianus} Gobi desert, Mongolia Moltsog els

Pete Oxford / Nomad leading Bactrian camels {Camelus bactrianus} across sand, Gobi desert, Mongolia

Sylvain Cordier / Mongol driving a camel caravan of Bactrian camel (Camelus bactrianus) Bashang Grassland, Zhangjiakou, Hebei Province, Mongolia, China.