Jeff Rotman / El Molo warriors stabbing a Hippopotamus (Hippopotamus amphibius) during a night hunt, Lake Turkana, Kenya, April 2008.

Kristel Richard / Traditionally dressed Berber warriors, mounted on Barb and Arab Barb horses, galloping into battle firing their guns down during the Fantasia in Dar Es Salam, Morocco, June 2010

Jabruson / Maasai 'Emowuo-o-lkiteng ceremony, Kedong Valley, Rift valley, Kenya. Il-murran dancers. 1985

Mark Hamblin / 2020VISION / Aerial view of Scot's pine trees (Pinus sylvestris) on hillside in winter showing regeneration of young trees around mature tree, Inchriach, Cairngorms, Scotland, UK, February 2010. Did you know? Scot...

Jeff Rotman / El Molo warriors and tribal people dancing during the Hippopotamus Ceremony, Lake Turkana, Kenya April 2008.

Jeff Rotman / El Molo warriors and tribal people dance during the Hippopotamus Ceremony, Lake Turkana, Kenya, April 2008.

Jeff Rotman / El Molo warriors pulling out the pole spears from a dead Hippopotamus (Hippopotamus amphibius) killed in their hunt, Lake Turkana, Kenya, April 2008.

Kristel Richard / Two Khampa warriors, mounted on their running Tibetan horse, try to catch sweets laid out on the ground, during the horse festival, near Huangyan, in the Garze Tibetan Autonomous Prefecture in the Sic...

Kristel Richard / Two Khampa warriors, mounted on their running Tibetan horse, try to catch white scarves, during the horse festival, near Huangyan, in the Garze Tibetan Autonomous Prefecture in the Sichuan Province, C...

Kristel Richard / Two Khampa warriors race on their Tibetan horses during the horse festival, near Huangyan, in the Garze Tibetan Autonomous Prefecture in the Sichuan Province, China, June 2010

Kristel Richard / Traditionally dressed Berber warriors, mounted on Barb and Arab Barb horses, galloping in formation, firing guns during the Fantasia in Dar Es Salam, Morocco, June 2010

Kristel Richard / Traditionally dressed Berber warriors, mounted on Barb and Arab Barb horses, gallop in formation ready to fight during the Fantasia in Dar Es Salam, Morocco, June 2010

Kristel Richard / Traditionally dressed Berber warriors, mounted on Barb and Arab Barb horses, gallop in formation raising their guns during the Fantasia in Dar Es Salam, Morocco, June 2010

Kristel Richard / Traditionally dressed Berber warriors, mounted on Barb and Arab Barb horses, galloping into battle with guns pointed down during the Fantasia in Dar Es Salam, Morocco, June 2010

Kristel Richard / Traditionally dressed Berber warriors, mounted on Barb and Arab Barb horses, galloping in formation raising their guns during the Fantasia in Dar Es Salam, Morocco, June 2010

Kristel Richard / Khampa warriors gallop during the endurance race on their Tibetan horses during the horse festival, near Huangyan, in the Garze Tibetan Autonomous Prefecture in the Sichuan Province, China, June 2010

Kristel Richard / Traditionally dressed Berber warriors, mounted on Barb and Arab Barb horses, gallop in formation firing their guns during the Fantasia in Dar Es Salam, Morocco, June 2010

Kristel Richard / Traditionally dressed Berber warriors, mounted on Barb and Arab Barb horses, galloping in formation with guns raised during the Fantasia in Dar Es Salam, Morocco, June 2010

Kristel Richard / Traditionally dressed Berber warriors, mounted on Barb and Arab Barb horses, galloping in formation with guns raised during the Fantasia in Dar Es Salam, Morocco, June 2010

Kristel Richard / Traditionally dressed Berber warriors, mounted on Barb and Arab Barb horses, gallop in formation raising their guns during the Fantasia in Dar Es Salam, Morocco, June 2010

Kristel Richard / Traditionally dressed Berber warriors, mounted on Barb and Arab Barb horses, gallop in formation raising their guns during the Fantasia in Dar Es Salam, Morocco, June 2010

Suzi Eszterhas / Maasai warriors ceremonial jumping, wearing traditional clothing. Near Masai Mara Reserve, Kenya, East Africa, August 2008

Suzi Eszterhas / Maasai warriors ceremonial jumping, wearing traditional clothing. Near Masai Mara Reserve, Kenya, East Africa, August 2008

Kristel Richard / Details of the training costume, and shoes from two samurais (warriors) from the Takeda School of Horseback Archery, during the training prior to a Yabusame (Japanese mounted archery), at Meiji Jingu...

Kristel Richard / Details of the traditional costume, hat, sword, bow and arrows from samurais (warriors) from the Takeda School of Horseback Archery, during the training prior to a Yabusame (Japanese mounted archery),...

Jeff Vanuga / Young Masai warriors with spears silhouetted against an African Sunset, Kenya. September 2006

Suzi Eszterhas / Samburu Warriors, Namunyak Conservancy, Northern Rangelands Trust, Kenya *No model release available - for editorial use only

Jack Dykinga / Masai warriors wearing traditional dress. Masai Mara National Reserve, Kenya

Jack Dykinga / Masai warriors in full ceremonial dress, doing their famed high leaps. Masai Mara National Reserve, Kenya

Jack Dykinga / Masai warriors in full ceremonial dress, entering village in a line, to dance. Masai Mara National Reserve, Kenya

Martin Dohrn / Hagahai warriors standing on stone in grassland, hunting pigs, smoking them out of field, Papua New Guinea 1992

Pete Oxford / Terracotta Army Warriors at the Mausoleum of Qin Shi Huang. Pit number one. Xi'an, Shaanxi Province, China 2006

Pete Oxford / Damaged/unrestored Terracotta Warriors at the Mausoleum of Qin Shi Huang. Pit number two. Xi'an, Shaanxi Province, China 2006

Pete Oxford / Close up of Terracotta Warriors and Horses at the Mausoleum of Qin Shi Huang. Pit number one. Xi'an, Shaanxi Province, China 2006

Pete Oxford / Terracotta warriors at the Mausoleum of Qin Shi Huang. Pit number one. Xi'an, Shaanxi Province, China 2006

Pete Oxford / Terracotta Army Warrior at the Mausoleum of Qin Shi Huang. Pit number one. Xi'an, Shaanxi Province, China 2006

Pete Oxford / Close up of Terracotta Army Warriors and Horses at the Mausoleum of Qin Shi Huang. Pit number one. Xi'an, Shaanxi Province, China 2006

Pete Oxford / Terracotta Army warriors at the Mausoleum of Qin Shi Huang. Pit number one. Xi'an, Shaanxi Province, China 2006

Pete Oxford / Terracotta Army warriors and horses at the Mausoleum of Qin Shi Huang. Pit number one. Xi'an, Shaanxi Province, China 2006

Phil Chapman / Easter Islanders dressed as warriors from the civil war.

Pat De La Harpe / Maasai warriors traditional sport of stick fighting, Olonana village, Kenya

Martin Dohrn / Hagehai warriors hunting pigs, smoking them out of field, Papua New Guinea

Grant McDowell / Dogon wooden figures, Mali, West Africa

Sarah Byatt / Fellata Mbororo warriors, a nomadic cattle herding tribe, in traditional warrior attire, El Obeid, Sudan 1986

Peter Blackwell / Maasai warriors dance with poles during traditional Eunoto ceremony, Mara region, Kenya

Peter Blackwell / Maasai warriors dance with poles during traditonal Eunoto ceremony, Mara region, Kenya

Jeff Vanuga / Samburu warriors bleeding a Cow {Bos indicus}, Kenya. Samburu people live on a diet of blood and milk. 2005.

Jeff Vanuga / Bleeding of the cow by Samburu warriors. Samburu people live on a diet of blood and milk. Masai mara, Kenya. 2005.

Jeff Vanuga / Samburu warriors starting a fire using traditional methods of spinning a stick between the hands causing friction and fire. Kenya, Africa. 2005.

Jeff Vanuga / Samburu warriors starting a fire using traditional methods of spinning a stick between the hands causing friction and fire. Kenya, Africa. 2005.

Pete Oxford / Terracotta warriors in 2200 yr old tomb of Qinshihuang, Xian, Shaanzi province, China

Peter Blackwell / Maasai warriors carry cermonial log in traditional Eunoto ceremony, Masai Mara, Kenya

Pete Oxford / Terracotta warriors in 2200 yr old tomb of Qinshihuang, Xian, Shaanzi province, China

Pete Oxford / Terracotta warriors in 2200 yr old tomb of Qinshihuang, Xian, Shaanzi province, China

Pete Oxford / Terracotta warriors in 2200 yr old tomb of Qinshihuang Xian, Shaanxi, China

Michael Pitts / Huli Chief and warriors at Compensation Ceremony, Central highlands, Papua New Guinea

NEIL NIGHTINGALE / Huli tribesmen at Compensation ceremony, Papua New Guinea. 1990.

Peter Blackwell / Masai tribesmen erecting O-shingira house, Eunoto ceremony, Mara, Kenya

Peter Blackwell / Masai tribesmen erecting O-shingira house, Eunoto ceremony, Mara, Kenya

Jabruson / Maasai 'Emowuo-o-lkiteng ceremony, Kedong Valley, Rift valley, Kenya. Lighting ceremonial fire on back of ritual ox. 1985

Jabruson / Maasai 'Emowuo-o-lkiteng ceremony, Kedong Valley, Rift valley, Kenya. Initiates listen to elder's speech. 1985

Martin Dohrn / Maasai warriors celebrate the night before a hunt. Serengeti NP, Ngorongoro Conservation Area, Tanzania, East Africa. Image taken using Starlight Camera technology without artificial lighting.

Peter Blackwell / Masai warriors in traditional dress for Eunoto ceremony, Kenya Kenya, Mara region. Right of passage, initiation

Peter Blackwell / Masai warriors during Eunoto ceremony carry cermonial sticks. Kenya, Mara region.

Peter Blackwell / Warriors erect ceremonial log during masai Eunoto ceremony. Mara region, Kenya.

Peter Blackwell / Masai warriors, headresses of Ostrich feather + Lion mane, Eunoto ceremony, Mara, Kenya

Peter Blackwell / Masai warriors at ceremony wear colourful printed fabrics, Eunoto ceremony, Kenya.

Peter Blackwell / Masai tribesmen erecting O-shingira house, Eunoto ceremony, Mara, Kenya house used

Peter Blackwell / Masai tribesmen erecting O-shingira house, Eunoto ceremony, Mara, Kenya

Peter Blackwell / Lion bell fixed to warriors leg during Eunoto ceremony, Masai Mara, Kenya.

Peter Blackwell / Masai warrior with shaved head, shiny with red ochre at Eunoto ceremony, Masai, Kenya

Peter Blackwell / Group of Maasai warriors with shaved heads shiny with ochre at Eunoto ceremony, Masai, Kenya

Peter Blackwell / Two Masai elders sit outside hut, during Eunoto ceremony. Mara region, Kenya.

Peter Blackwell / Masai warriors outside huts with shaved heads, shiny with red ochre, Eunoto ceremony, Kenya

Peter Blackwell / Masai tribesmen erecting O-shingira house, Eunoto ceremony, Mara, Kenya

Peter Blackwell / Masai warrior at ceremony, one wear a lions mane headress, Eunoto ceremony. Kenya

Mike Wilkes / Masai warriors. Serengeti NP, Tanzania, East Africa

Mike Wilkes / Masai warriors Serengeti NP, Tanzania

Jabruson / Maasai 'E-unoto ceremony, Kedong Valley, Rift valley, Kenya. Il-murran dancers. 1985

Jabruson / Maasai 'Emowuo-o-lkiteng ceremony, Kedong Valley, Rift valley, Kenya. Initiates walk to sacred Olive tree for blessing. 1985

Martin Dohrn / Maasai warriors the night before a hunt. Serengeti NP, Ngorongoro Conservation Area, Tanzania, East Africa. Image taken using 'Starlight Camera' technology without artificial lighting.

Paul D Stewart / Woodcut illustration of Bird of Paradise (Paradisaea). From Gesner's 'Icones Animalium', published by Christof Froschover, Zurich (1560). When Magellan returned as the first to sail around the world i...