Duncan Murrell / Young children from Barangay Tagabinet having a nature walk around Ugong Rock, Palawan, the Philippines.

Arne Hodalic / Nenet herdsman with Reindeer (Rangifer tarandus) during summer migration, Yamal Peninsula, Russia. May.

Pete Oxford / Konyak Naga boy peering out of house decorated with buffalo skulls, Konyak Naga headhunting Tribe.Mon district, Nagaland, North East India, October 2014.

Pete Oxford / Head-hunted human skulls, collected by the Konyak Naga tribe, North East India, October 2014.

Pete Oxford / Konyak Naga tattooed head hunter. Only someone who has killed and taken a human head can be tattooed in this manner. Mon district. Nagaland, North East India, October 2014.

Pete Oxford / Konyak Naga tattooed Ang or Chief. Only someone who has killed and taken a human head can be tattooed in this manner. Mon district. Nagaland, North East India, October 2014.

Pete Oxford / Konyak Naga tattooed Ang or Chief. Only someone who has killed and taken a human head can be tattooed in this manner. Mon district. Nagaland, North East India, October 2014.

Pete Oxford / Nyshi man, Arunachal Pradesh, North East India, November 2014.

Pete Oxford / Apatani woman with facial tattoos and traditional cane nose plugs / Yapin Hulo made to make them look unattractive to males from other tribes. These facial modifications are now outlawed. Apatani Tr...

Pete Oxford / Woman inside Nyshi Long House, Nyshi Tribe, Arunachal Pradesh.North East India, November 2014.

Constantinos Petrinos / Woman from the Oromo tribe transporting firewood on her back. Oromia Region, Central Ethiopia, Africa, March 2009.

Eric Baccega / Young woman from the Bodi tribe displaying elaborate scarification on the skin of her back, Omo Valley, Ethiopia, March 2015.

Eric Baccega / Young man from the Bodi Tribe having new scars made on his chest with razor blade, to make decorative skin scarifications. Omo Valley, Ethiopia, March 2015.

Eric Baccega / Portrait of woman from the Mursi tribe, traditionally decorated and painted, wearing a large clay lip plate, Omo Valley, Ethiopia, March 2015.

Eric Baccega / Portrait of woman from the Mursi tribe, traditionally decorated and painted, wearing a large clay lip plate, Omo Valley, Ethiopia, March 2015.

Eric Baccega / Toposa tribe man with elaborate facial skin scarifications, Omo Valley, Ethiopia, March 2015.

Eric Baccega / Men from the Mursi tribe decoratively scaring skin, one man scars the arm of another one by lifting the skin with an acacia spine and cutting it with a razor blade, Ethiopia, March 2015.

Eric Baccega / Afar men mining salt at Lake Assale. Danakil depression, Afar region, Ethiopia, March 2015.

Enrique Lopez-Tapia / Karo boys with decorative skin painting. Karo tribe, Omo river, Ethiopia, November 2014

Enrique Lopez-Tapia / Karo boys with decorative skin painting. Karo tribe, Omo river, Ethiopia, November 2014

Enrique Lopez-Tapia / Karo boy with decorative skin painting. Karo tribe, Omo river, Ethiopia, November 2014

Enrique Lopez-Tapia / Karo boys with decorative skin painting, close up portrait, Karo tribe, Omo river, Ethiopia, November 2014

Enrique Lopez-Tapia / Dassanech baby with her headdress made from bottlecaps, Lower Omo Valley. Ethiopia, November 2014

Enrique Lopez-Tapia / Woman with stick at the Jumping of the bulls Hamer ceremony. This Hamer ceremony, is a right of passage into manhood for Hamer boys. During the ceremony young female relatives of the boys beg to be wh...

Enrique Lopez-Tapia / Hamer women in traditional clothing at the Jumping of the bulls ceremony. Ethiopia, November 2014

Enrique Lopez-Tapia / Karo boys with decorative skin painting.Territory of the Karo tribe. Omo river. Ethiopia, November 2014

Enrique Lopez-Tapia / Woman with lip plate, which signifies she is a married woman, Mursi tribe, Mago National Park. Ethiopia, November 20144

Eric Baccega / Portrait of Naro San Bushman with leather headdress made of duiker skin, Kalahari, Ghanzi region, Botswana, Africa. October 2014.

Eric Baccega / Portrait of Naro San Bushman with leather headdress made of duiker skin, Kalahari, Ghanzi region, Botswana, Africa. October 2014.

Eric Baccega / Naro San Bushmen sitting in front of their hut, Kalahari, Ghanzi region, Botswana, Africa. Dry season, October 2014.

Eric Baccega / Naro San Bushman hunting in the bush with traditional bow and arrow, Kalahari, Ghanzi region, Botswana, Africa. Dry season, October 2014.

Bryan and Cherry Alexander / Chukchi girls, with their family's ancestral clan mark painted in reindeer blood on their face, a ritual during the Chukchi 'Festival of the Young Reindeer' during which young reindeer are sacrificed....

Bryan and Cherry Alexander / Grisha (right) and Gosha Vanuitto, Nenets reindeer herders, at their winter camp on the tundra in the South Tambey Gas Field, Yamal Peninsula, Siberia, Russia. February 2014.

David Tipling / Tribal performers from Hagen at Sing-sing, Mount Hagen Show in Western Highlands Papua New Guinea. Headress contains Papuan Lorikeet birds and King of Saxony plumes. August 2011

David Tipling / Tribal performer from the Anglimp District in Waghi Province Western Highlands Papua New Guinea performing at a Sing-sing, Hagen Show Western Highlands Papua New Guinea.With bird of paradise plumes in...

David Tipling / Tribal performers from the Anglimp District in Waghi Province, performing at a Sing-sing - Hagen Show, Western Highlands, Papua New Guinea, August 2011

David Tipling / Roika Waria Sing-sing group from Hagen at the Hagen Show in Western Highlands Papua New Guinea. August 2011

David Tipling / Men of Mendi from the Southern Highlands at Hagen Show, Western Highlands, Papua New Guinea. Head dress has King of Saxony plumes and breast shield of Superb Bird of Paradise plus plumes from Blue bir...

Gavin Hellier / Giant monolithic stone Maoi statues at Rano Raraku, Easter Island, Rapa Nui, Chile, South America 2008

Gavin Hellier / Anakena beach, monolithic giant stone Moai statues of Ahu Nau Nau, four of which have topknots, Isla de Pascua / Easter Island, Rapa Nui, Chile 2008

Neil Aldridge / A young Zu/'hoasi Bushman hunter carrying a bow, quiver of arrows and a long pole for catching Spring Hares in their burrows. Kalahari, Botswana. April 2012. No release available.

Neil Aldridge / Portrait of a child in a Zu/'hoasi Bushman community in the Kalahari, Botswana. April 2012. No release available

Neil Aldridge / A young Zu/'hoasi Bushman woman picking berries from a bush on the open plains of the Kalahari, Botswana. April 2012. No release available.

Neil Aldridge / Zu/'hoasi Bushman hunters on the open grasslands of the Kalahari, Botswana. April 2012. No release available.

Jabruson / 'Patasse' - a male member of the Ba'Aka ethnic group from the village of Mossapoula, a tribe that have lived around Dzanga Ndoki National park for thousands of years and still depend on forest resourc...

Jabruson / Ba'Aka Pygmies forest fire sends smoke into the canopy of Gilbertiodendron / Bemba (Gilbertiodendron deweurei) forest, Central African Republic.

Enrique Lopez-Tapia / A boy runs in the rain in a Bassari village. Bassari country, east Senegal. This area became a UNESCO World Heritage site in 2012, for cultural landscape and traditions kept by the the Bassari, Fula a...

Enrique Lopez-Tapia / Cooking in a cabin without electricity in a small village, Bassari country, east Senegal. The Bassari, Fula and Bedik people keep alive their ancient traditions and customs, and UNESCO declared a Wo...