Ingo Arndt / Lady's-slipper orchid (Cypripedium calceolus) flowering, Germany, May.

Loic Poidevin / Man walking over colourful mineral deposits at the Dallol hydrothermal site on the Karoum salt lake, Danakil depression, northern Ethiopia, February 2009

Ole Jorgen Liodden / Oryx (Oryx gazella) in motion. Kalahari, Botswana, November.

Ann & Steve Toon / Scorpion (Opistophthalmus wahlbergii) on sand, Tswalu Kalahari game reserve, Northern Cape, South Africa, January

Konrad Wothe / Stone engravings of an Elephant in Wadi Mathendous, Wadi Barjuj, Stony Desert, Libya, Sahara, North Africa, November 2007

Konrad Wothe / Libyan jird (Meriones lybicus) running, Libya, Sahara, North Africa, December

Konrad Wothe / Mandara Lakes in the dunes of Ubari, oasis Um el Ma, Libyan desert, Libya, Sahara, North Africa, December 2007

Chris Mattison / Desert horned lizard (Phrynosoma platyrhinos), captive, occurs in USA

Mark Taylor / Sliding Stone or Moving Rock of Racetrack Playa, Death Valley, California, USA

Kristel Richard / Portrait of a bushman from the San community, Makgadikgadi Salt Pans, Kalahari desert, North-East District, Botswana, 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...