Wild Wonders of Europe / Allofs / Canal with drought patterns near Etang du Fangassier, Camargue, France, May 2009

Wild Wonders of Europe / Allofs / Drought patterns in muddy soil, Camargue, France, May 2009

Christophe Courteau / Aerial view of African elephants (Loxodonta africana) looking for the shade under trees on a very hot day , Northern Botswana.

Nick Hawkins / Salmon-bellied racer snake (Mastigodryas melanolomus) resting on cracked mud, Palo Verde National Park, Costa Rica, April 2014.

Ingo Arndt / Eroded landscape, Sandstone striations and erosional features, in mist, Badlands National Park, South Dakota, USA September 2014.

Cyril Ruoso / Skulls of African elephants (Loxodonta africana) which died during the droughts of 1972, when thousands of elephant died, East Tsavo, Kenya, October.

Will Watson / Cracks in mud in dried up saline lagoon caused by drought, The Naze, Walton-on-the-Naze, Essex, England, UK, September.

Enrique Lopez-Tapia / Himba women drawing water from a well dug into the dry riverbed well, Kaokoland, Namibia, February 2005.

Enrique Lopez-Tapia / Children drinking water in a deep well dug into the dry bed of a river. Kaokoland, Namibia.

Enrique Lopez-Tapia / Himba boy coming out of a deep hole dug into a dry river bed to access water, Kaokoland, Namibia, September 2013.

Ernie Janes / Irrigation of sugar beet crop in drought conditions, Norfolk, England, UK, August 2013

Ernie Janes / Person inspecting Sugar beet crop in drought conditions, Norfolk, August 2013.