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

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

Paul D Stewart / Historical illustration of extinct Puri tribe from North Coast of South America. Mother and child, and man in hammock, with poison dart frog held over fire to collect its toxin, used for poison darts...

Neil Aldridge / A young Zu/'hoasi Bushman hunter looks for Spring Hare (Pedetes capensis) burrows in the vast open plains of the Kalahari, Botswana. April 2012.

Neil Aldridge / Zu/'hoasi Bushmen prepare the hide of a goat by removing the hair. With restrictions on the animals that they are allowed to hunt, Bushmen communities rely on these animals for food, clothing, quivers...

Neil Aldridge / A young Zu/'hoasi Bushman digs up a small tuber from the dry earth of the Kalahari, Botswana. April 2012.

Neil Aldridge / A Zu/'hoasi Bushman digs for a tuber using a stick in the dry ground of the Kalahari, Botswana. April 2012.

Neil Aldridge / A Zu/'hoasi Bushman scrapes hair from an animal hide while a child watches. Kalahari, Botswana. April 2012.

Neil Aldridge / A Zu/'hoasi Bushman in the Kalahari makes an arrow. Heating the stick in the embers of the fire softens the fibres and allows the stick to be straightened. Kalahari, Botswana. April 2012.

Neil Aldridge / A young Zu/'hoasi Bushman digging for a tuber in the dry earth of the Kalahari, Botswana. April 2012.

Neil Aldridge / A Zu/'hoasi Bushman woman holding a tuber freshly dug from the sandy earth of the Kalahari, Botswana. April 2012.

Neil Aldridge / An elderly Zu/'hoasi Bushman carrying a spear, bow and quiver of arrows on the plains of the Kalahari, Botswana. April 2012.

Neil Aldridge / A Zu/'hoasi Sangoma (Zulu healer) and a young Bushman interpret signs having asked for guidance from ancestral spirits before setting out to hunt in the Kalahari, Botswana. April 2012.

Neil Aldridge / Zu/'hoasi Bushman women preparing food using a wooden pestle and mortar in the Kalahari, Botswana. April 2012.

Neil Aldridge / A young Zu/'hoasi Bushman hunter carrying a bow, a quiver of arrows and a pole for hunting Spring Hares (Pedetes capensis) stops to pick fruit from a bush on the open plains of the Kalahari, Botswana....

Neil Aldridge / A Zu/'hoasi Bushman woman digging for a tuber in the Kalahari, Botswana. April 2012.

Neil Aldridge / A Zu/'hoasi Bushman smokes a pipe made out of an old artillery cartridge at sunset in the Kalahari, Botswana. April 2012.

Neil Aldridge / A Zu/'hoasi Bushman woman carrying an infant on her back picks berries from a bush on the open plains of the Kalahari, Botswana. April 2012.

Neil Aldridge / A Zu/'hoasi Bushman man and woman gather berries from a bush in the Kalahari, Botswana. April 2012.

Neil Aldridge / A young Zu/'hoasi Bushman hunter uses a long pole with a hook on the end to catch Spring Hares (Pedetes capensis) in a burrow in the Kalahari, Botswana. April 2012.

Neil Aldridge / A young Zu/'hoasi Bushman hunter searches for Spring Hare (Pedetes capensis) burrows on the vast open plains of the Kalahari, Botswana. April 2012.

Neil Aldridge / Zu/'hoasi Bushmen prepare the hide of a goat by removing the hair. With restrictions on the animals that they are allowed to hunt, Bushmen communities rely on these animals for food, clothing, quivers...

Neil Aldridge / A Zu/'hoasi Bushman child blows onto fine embers in a clump of grass and plant fibres in order to make a fire. Kalahari, Botswana. April 2012.

Neil Aldridge / A Zu/'hoasi Bushman child in the Kalahari, Botswana. April 2012.

Neil Aldridge / Zu/'hoasi Bushman inspect the carcass of a dead Plains Zebra (Equus quagga) on the open grasslands of the Kalahari, Botswana. April 2012.

Neil Aldridge / Zu/'hoasi Bushmen dance around a fire as part of a traditional Trance Dance where a Sangoma (Zulu healer) will perform traditional healing while in an altered state of consciousness. Kalahari, Botswan...

Neil Aldridge / A Zu/'hoasi Bushman lights a pipe made out of an old artillery cartridge. Kalahari, Botswana. April 2012.

Neil Aldridge / A young Zu/'hoasi Bushman hunter looks for Spring Hare (Pedetes capensis) burrows on the plains of the Kalahari. The long stick has a hook on the end and is inserted into a burrow to catch the hares....

Neil Aldridge / A young Zu/'hoasi Bushman carrying a bow, a quiver of arrows and a pole for hunting Spring Hares (Pedetes capensis) on the open plains of the Kalahari, Botswana. April 2012.

Neil Aldridge / Zu/'hoasi Bushmen men, women and children sit around a fire at dusk in the Kalahari, Botswana. April 2012.

Neil Aldridge / A Zu/'hoasi Bushman Sangoma (Zulu healer) prepares to throw special wooden sticks into the sand and ask for guidance from ancestral spirits before setting out to hunt in the Kalahari, Botswana. April...

Neil Aldridge / A Zu/'hoasi Bushman hunter crouches and picks edible plant leaves on the plains of the Kalahari, Botswana. April 2012.

Neil Aldridge / A Zu/'hoasi Bushman hunter crouches and picks edible plant leaves on the plains of the Kalahari, Botswana. April 2012.

Neil Aldridge / Zu/'hoasi Bushmen carry out a traditional Trance Dance. Women clap and sing by a fire while men dance in a circle in preparation for a Sangoma (Zulu healer) to perform traditional healing while in an...

Neil Aldridge / Various foods collected by Zu/'hoasi Bushmen in an animal skin pouch after gathering and foraging in the Kalahari, Botswana. April 2012.

Solvin Zankl / Ein männlicher Königspinguin (Aptenodytes patagonicus) richtet sich hoch auf, um mit einem lauten Ruf seinen Konkurrenten zu imponieren. | A male king penguin (Aptenodytes patagonicus) stands tall a...

Norbert Wu / Scalloped Ribbonfish (Zu cristatus) grows to five feet long, Virgin Islands Deep Sea

Neil Aldridge / A Zu/'hoasi bushman considers the desiccated carcass of a plains zebra (Equus quagga) in the Makgadikgadi Pans, Botswana.

Magnus Lundgren / Juvenile Scalloped ribbonfish (Zu cristatus) Balayan Bay, Batangas, the Philippines.

Magnus Lundgren / Scalloped ribbonfish (Zu cristatus) juvenile,Balayan Bay, Batangas, the Philippines.

Magnus Lundgren / Scalloped ribbonfish (Zu cristatus) juvenile,Balayan Bay, Batangas, the Philippines.