Ingo Arndt / View of Badlands National Park, with shadows cast between mountain peaks, and sediment layers visible, South Dakota, USA. September 2009.

Ingo Arndt / Christmas Island Red Crabs (Gecarcoidea natalis) massing on coastal rocks, the morning after spawning, Christmas Island, Indian Ocean, Australian Territory

Ingo Arndt / Mount Rushmore National Memorial, South Dakota, USA, September 2009

Ingo Arndt / Christmas Island Red Crabs (Gecarcoidea natalis) shortly before sunrise sitting on rock ready for spawning, Christmas Island, Indian Ocean, Australian Territory

Ingo Arndt / Freestone eroded pillars reflecting sunlight, Naturpark Pfaelzerwald, Rhineland-Palatinate, Germany

Ingo Arndt / Seabird colony nesting on cliff face, Lange Anna, Helgoland, Germany

Ingo Arndt / Sun hitting the peak of The Matterhorn (4478m) at sunrise with reflection in Lake Riffelsee, Switzerland

Francois Savigny / Snow leopard crouching on rocks {Panthera uncia} captive

Francois Savigny / Snow leopard portrait {Panthera uncia} captive

Ingo Arndt / Yosemite Falls flowing strong with water, Yosemite NP, California, USA

John Waters / Brook lamprey (Lampetra planeri) looking for food, River Kennet, Berkshire, England, UK. January.

Eric Baccega / View of the lava lake in Nyiragongo volcano at night, Virunga National Park, Democratic Republic of Congo.