Anup Shah / Snow-capped Mount Kilimanjaro with native tribesman and Agave in foreground, Amboseli National Park, Kenya.

Dario Novellino / Ot Danum tribesman rocking baby in hut West Kalimantan, Borneo. Indonesia

JIM CLARE / Huaorani Indian man hunting with blow pipe and curare Yasuni NP, Ecuador

Jeff Rotman / Matses tribesman with dead Piping guan (Aburria pipile) killed in the Amazon rainforest with his bow and arrow, Matses Indians, Amazonia, Peru, November 2005

Lisa Hoffner / Kenya Wildlife Service ranger has confiscated these cattle (Bos indicus) from Samburu tribesman for grazing within Samburu National Park illegally. Kenya, August 2009.

Lisa Hoffner / Samburu tribesman bucketing water from a 6 foot deep man-made hole in the dry Ewaso Nyiro riverbed. The worst drought (2008-2009) in more than a decade killed most of the Samburu tribeman's livestock...

Lisa Hoffner / Emaciated cattle drinking water dug from the dry Ewaso Nyiro riverbed and water heaved up by tribesman for their livestock to drink. August 2009.

Jeff Wilson / Portrait of Huli tribesman who helped film crew film Birds of Paradise, Papua New Guinea. Filming for BBC Planet Earth, Jungles episode, 2005

Jeff Wilson / Portrait of Huli tribesman holding symbolic moon rock. He helped filmakers in the areas where Birds of Paradise were filmed for BBC Planet Earth, Jungles episode, 2005

Jeff Wilson / Portrait of Huli tribesman who helped film crew film Birds of Paradise, Papua New Guinea. Filming for BBC Planet Earth, Jungles episode, 2005

Jeff Wilson / Hornbill bird's beak and wild pig tusk used as decoration by Huli tribesman, who helped film crew film Birds of Paradise, Papua New Guinea. Filming for BBC Planet Earth, Jungles episode, 2005

Jeff Wilson / Portrait of Huli tribesman, and villagers, who helped film crew film Birds of Paradise, Papua New Guinea. Filming for BBC Planet Earth, Jungles episode, 2005

Jeff Wilson / Portrait of Huli tribesman, and villagers, who helped film crew film Birds of Paradise, Papua New Guinea. Filming for BBC Planet Earth, Jungles episode, 2005

Chadden Hunter / A local Tuareg tribesman walks past the guesthouse where the film crew were based for filming sandstorms for the Deserts Episode of the BBC tv series Planet Earth, the famous mud-tower mosque of Agade...

Suzi Eszterhas / Masai tribesman with bow and arrow, Laikipiac Maasai Village in Il Ngwesi Group Ranch Area, Kenya *No model release available - for editorial use only

Pat De La Harpe / Maasai tribesman making fire by rubbing sticks together, Olonana village, Kenya

Richard Du Toit / Aerial view of tribesman repairing traditional fish trap fences at low tide, Kosi Bay, Kwa-Zulu Natal, South Africa

HUW CORDEY / Portrait of nomadic tribesman from Gobi desert, living in traditional yurts, Mongolia. January 2004. Filmed for BBC Planet Earth series.

Anup Shah / Hadzabe tribesman building temporary hut from straw and vegetation, Lake Eyasi Basin, Tanzania 2006

Anup Shah / Hadzabe tribesman singing and playing musical instrument, Lake Eyasi Basin, Tanzania 2006

Anup Shah / Hadzabe hunter gatherer tribesman smoking out bees to gather honey from tree, Lake Eyasi Basin, Tanzania 2006

Anup Shah / Hadzabe tribesman smoking from traditional pipe, Lake Eyasi Basin, Tanzania 2006

Anup Shah / Hadzabe tribesman fashioning arrow at camp, Lake Eyasi Basin, Tanzania 2006

Mark Payne-Gill / Bedouin tribesman with nest of Little bees, Zoora, Oman

Juergen Freund / Tribesman at Sing-Sing celebration with feathered headdress and shell jewelery, Tufi, Oro Province, Papua New Guinea

Anup Shah / Ranger and tribesman looking at Elephant dung {Loxodonta Africana} Ngorongoro crater, Tanzania

Gerry Ellis / Huli tribesman in traditional costume, Tagali River Valley, Papua New Guinea

Mitsuaki Iwago / Domestic Cattle (Bos taurus) herded by Masai tribesman, east Africa

Mitsuaki Iwago / Masai tribesman with cattle, east Africa

Marguerite Smits Van Oyen / Afar tribesman mining salt, Lac Assal, Djibouti, East Africa. 150m below sea level.

Dario Novellino / Ifugao tribesman, Philippines

Jose B. Ruiz / Masai tribesman outside hut. Kenya

Marguerite Smits Van Oyen / Afar tribesman + camels transporting salt from Lac Assal, Djibouti, East Africa.

Marguerite Smits Van Oyen / Afar tribesman loading salt onto camel. Lac Assal, Djibouti, East Africa. 150m below sea

Marguerite Smits Van Oyen / Afar tribesman mining salt, Lac Assal, Djibouti, East Africa. 150m below sea level. sea water

Dario Novellino / Ot Danum tribesman fishing with electric stun machine, West Kalimantan, Borneo. Indonesia

Nick Garbutt / Antandroy tribesman in Spiny Forest, Southern Madagascar

Gerry Ellis / Tribesman of the Wanum people wearing traditional costume and body paint for the Corroboree festival, Turkey Creek, Western Australia

John Cancalosi / Zulu tribesman Kwazulu Natal South Africa

Staffan Widstrand / James Lepore Masai tribesman Masai Mara GR Kenya