Pat Tuson / Bright Sparks sign, Islington Repair and Reuse Shop for small electrical items, London UK

Kirkendall-Spring / South Sister viewed from Sparks Lake in the Deschutes National Forest, Oregon, USA, September 2010

Jorma Luhta / Looking up through trees lit up by an evening camp fire, Lapland, Finland, September 2006

John Sparks / Lava lizard {Tropidurus sp} basking on the head of a Marine iguana {Amblyrhynchus cristatus} Galapagos

Tim Fitzharris / Clouds reflected in Sparks Lake, Oregon

John Sparks / David Attenborough by Grand Canyon on location for BBC Life on Earth series, Arizona, USA, 1980s

John Sparks / Khirgiz man with Golden eagle used for hunting, Tien Shan

John Sparks / Brown pelican turning eggs in nest {Pelecanus occidentalis} Galapagos, South America

John Sparks / Mytnovski volcanic activity. Lake Kurylski. Kamchatka Russia

John Sparks / Mytnovski volcanic activity, Lake Kurylski, Kamchatka, Russia

John Sparks / Sea campion (Silene uniflora). England, UK, Europe

John Sparks / Fedchenko glacier in Tien Shan Mountains, Kazakhstan, Kirgezia