Jeff Wilson / Frozen Planet team tent at Lake Hoare Camp, Dry Valleys, Antarctica, December 2009. Taken on location for the BBC series, Frozen Planet.

Barrie Britton / Whooper swan (Cygnus cygnus) in Bayinbuluke Swan Lake Nature Reserve. Xinjiang, China. Picture taken during filming of BBC "Wild China" TV Series, June 2006.

Jeff Wilson / Aerial view of K2 and glaciated valley, Concordia, Karakoram Mountains, Himalayas, Pakistan. From Pakistani military helicopter for BBC series Planet Earth 2005

John Downer / Remote control "lion buggy" used to film Lion pride in BBC television series "Supersense", 1989

John Downer / Minisub used to film hippos underwater for BBC tv series 'Supernatural'. Mzima, Kenya

John Downer / Remote camera in protective housing and bait used to film wild lion close up for BBC television series 'Lifesense'

John Downer / Wide angle shot of Elephant herd taken with remote control camera during filming of BBC television programme 'Elephants - Spy in the Herd' 2003

John Downer Productions / 'Plopcam' - remotely controlled video camera disguised as dung, used to film elephant herd for BBC television film 'Elephants - Spy in the Herd' 2003

John Downer Productions / Elephant using foot to explore dungcam - remotely controlled video camera used for filming BBC television programme 'Elephants - Spy in the Herd' 2003

John Downer / African Elephant herd on the move taken with remote controlled camera during filming of BBC wildlife television pogramme 'Elephants - Spy in the Herd' 2003

John Downer / Lion cubs investigate Bouldercam remote control camera, Masai Mara, Kenya. Filming for 'Lions: Spy in the Den' a John Downer production for BBV tv. 2000

JIM CLARE / Set-up for filming inside house at remote paramo community of La Granja, Azuay, Andes, Southern Ecuador.