Wild Wonders of Europe / Widstrand / SVT TV host and film crew documenting the transportation of European bison / Wisent (Bison bonasus) from the Avesta Visentpark in Sweden to the Armenis area in the Southern Carpathians, Romania. May 2...

Axel Gebauer / German film crew trecking with horses through snow, east Caucasus near Saribash settlement, Gakh area, Azerbaijan, December 2012.

Axel Gebauer / Film crew, Salanzowy, Kavkazsky Zapovednik, west Caucasus Mountains, Adygea, Russia, February.

Axel Gebauer / German film crew trecking with horses through snow, east Caucasus near Saribash settlement, Gakh area, Azerbaijan, December 2012.

Barrie Britton / Film crew using quad bikes to reach remote camp, Loango National Park, Gabon. Photograph taken on location during filming trip for BBC 'Africa' series, January 2011.

Kathryn Jeffs / Dion Poncet, skipper, at the bridge of the 'Golden Fleece', base ship for the BBC film crew, passing up the coast of the Antarctic Peninsula, Antarctica, January 2009, Taken on location for BBC Frozen...

Jeff Wilson / Film crew coming alongside Royal Navy ship, HMS Endurance, Antarctica, November 2008, Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Field Assistant, Jason Roberts, on top of mast looking out for submerged ice, Svalbard, Spitzbergen, Norway, July 2009. Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Director, Jeff Wilson, on look out for submerged ice in front of yacht, Svalbard, Spitzbergen, Norway, July 2009, Taken on location for the BBC series, Frozen Planet.

Nick Upton / David Attenborough carrying tripod back from a shoot on the Worm's Heads, on production for The Trials of Life. Gower Peninsula, Wales, UK, 1988. Small reproduction only.

John Waters / Presenter Charlotte Uhlenbroek and Assistant Producer Phil Hurrell on zip wire. On location in Madagascar, filming for BBC television series "Cousins", 1999

Franco Banfi / Film crew on zodiac boat following Blue whale (Balaenoptera musculus). Azores, Atlantic Ocean.