Danny Green / Brown Hare (Lepus europaeus) walking with ears folded back. Derbyshire, UK, March.

Luiz Claudio Marigo / Cramers eighty-eight butterfly (Diaethria clymena) resting with wings folded, Brazil.

Colin Monteath / Folded limestone layers, Kaikoura, North Canterbury, New Zealand

Colin Monteath / Folded limestone layers, Kaikoura, North Canterbury, New Zealand

Rod Williams / Red admiral butterfly (Vanessa atalanta) with wings folded, feeding on nectar of Ivy, South London, UK, September

David Kjaer / Brown Hare (Lepus europaeus) with ears folded back. Wiltshire, UK, June.

Bryan and Cherry Alexander / The bird cliffs of Alkehornet, made from folded and metamorphosed limestone, which ensures species rich vegetation on the ground below and around it. Spitsbergen, Svalbard, Norway, June 2006.

Bryan and Cherry Alexander / Tourists visiting the bird cliffs of Alkehornet, made from folded and metamorphosed limestone. Spitsbergen, Svalbard, Norway, June 2006.

Troels Jacobsen/Arcticphoto / Glaciers have transported these folded sedimentary rocks, dated to the Cambrian and late pre-Cambrian. Segelsllskapets Fjord, northeast Greenland National Park, September 2008.

Troels Jacobsen/Arcticphoto / Glaciers have smoothed these folded sedimentary rocks, dated to the Cambrian and late pre-Cambrian. Segelsllskapets Fjord, northeast Greenland National Park, September 2008.

Troels Jacobsen/Arcticphoto / Glaciers have smoothed these folded sedimentary rocks, dated to the Cambrian and late pre-Cambrian. Segelsllskapets Fjord, northeast Greenland National Park, September 2008.

Georgette Douwma / Open / Folded brain coral (Trachyphyllia geoffroyi). Rinca, Komodo National Park, Indonesia. October