Funerary towers (chullpas) where members of the old Colla tribe, early Incas, were buried, ruins of Sillustani, near Lake Titicaca, Peru, South America

Portrait of Samburu tribe members dancing the traditional wedding dance at dusk, Kenya, East Africa, Africa

Close-up of earrings worn by a member of the Hamer Tribe, Lower Omo Valley, Ethiopia, Africa

Portrait of Samburu tribe members dancing the traditional wedding dance at dusk, Kenya, East Africa, Africa

A member of the Mursi Tribe with lip plates, head dress and body paint in Mago National Park, Ethiopia, Africa

A member of the Mursi Tribe with lip plates, head dress and body paint in Mago National Park, Ethiopia, Africa

Member of the Penan tribe with blowpipe, Mulu expedition, Sarawak, island of Borneo, Malaysia, Southeast Asia, Asia

Man selling geese near Ranomafana, Haute Matsiatra Region, Madagascar, Africa

Portrait of Samburu tribe members dancing the traditional wedding dance at dusk, Kenya, East Africa, Africa

Portrait of Samburu tribe members dancing the traditional wedding dance at dusk, Kenya, East Africa, Africa

Portrait of Samburu tribe members dancing the traditional wedding dance at dusk, Kenya, East Africa, Africa

Portrait of Samburu tribe members dancing the traditional wedding dance at dusk, Kenya, East Africa, Africa

Portrait of Samburu tribe members dancing the traditional wedding dance at dusk, Kenya, East Africa, Africa

Portrait of Samburu tribe members jumping at traditional wedding dance at dusk, Kenya, East Africa, Africa

Indian man, member of the Rabari tribe, with a red turban, Bera, Rajasthan, India, Asia

Tribe members, bamboo weave, making crafts, Iban Long House comunity. Kuching, Sarawak, Borneo, Malaysia, South-East Asia, Asia

Adult female, tribe member, stripping bamboo for craft, Iban Long House comunity. Kuching, Sarawak, Borneo, Malaysia, South-East Asia, Asia

Tribe members, bamboo weave, making crafts, Iban Long House comunity. Kuching, Sarawak, Borneo, Malaysia, South-East Asia, Asia

Tribe members, bamboo weave, making crafts, Iban Long House comunity. Kuching, Sarawak, Borneo, Malaysia, South-East Asia, Asia

Members of the Samdom tribe show their traditional way of crushing crops at the annual Hornbill Festival, Kohima, Nagaland, India, Asia

Members of the Samdom tribe show their traditional way of crushing crops at the annual Hornbill Festival, Kohima, Nagaland, India, Asia

Members of the Samdom tribe show their traditional way of crushing crops at the annual Hornbill Festival, Kohima, Nagaland, India, Asia

Members of the Samdom tribe at the annual Hornbill Festival, Kohima, Nagaland, India, Asia

Members of the Samdom tribe at the annual Hornbill Festival, Kohima, Nagaland, India, Asia

Members of the Samdom tribe show their traditional way of crushing crops at the annual Hornbill Festival, Kohima, Nagaland, India, Asia

A member of the Shanabla tribe holds up a severed camels head up. The camel will be the main course at this wedding celebration outside El Obeid, Sudan. On February 15, 2006. The Shanabla are nomads and have no lands of their own. They raise camels to sell at market and are dependant on others lands for grazing.

Members of the Oro Win tribe make preparations and body decorations for an upcoming traditional "festa" or celebration, Sao Luis Indian Post, Brazil.