Stefan Christmann / Member of BBC Dynasties crew photographing on sea ice in light of full moon, during polar night. Atka Bay, Antarctica. July 2017.

Kathryn Jeffs / 'Golden Fleece' (base ship of the BBC film crew) as it passes through floe ice off the Antarctic Peninsula, Antarctica, January 2009, Taken on location for BBC Frozen Planet series

Kathryn Jeffs / The 'Golden Fleece' (base ship for BBC film crew) passing up the coast of the Antarctic Peninsula, Antarctica, January 2009, Taken on location for BBC Frozen Planet series

Kathryn Jeffs / The 'Golden Fleece' (base ship for BBC film crew) passing up the coast of the Antarctic Peninsula, Antarctica, January 2009, Taken on location for BBC Frozen Planet series

Jeff Wilson / View through the porthole of science teams and Frozen Planet film crew working on the sea ice in the Bering Sea, Alaska, USA, March 2008. The film crew were in search of Spectacled eider ducks, temper...

Jeff Wilson / Crew member of the US coastguard ship 'Healy' standing on the sea ice in front of the ship's hull after the ship became stuck in the ice, Bering Sea, Alaska, USA, March 2008. Taken on location for the...

Jeff Wilson / Film crew walking out of mountains down into Chitral valley after filming Snow leopard (Panthera uncia) Hindu Kush, Pakistan. For BBC Planet Earth series, Mountains episode, 2005

Jeff Wilson / Camera crew searching for crevasse to film in, Gorner glacier, near Zermatt in the Swiss Alps, Switzerland. For BBC Planet Earth series, Mountains episode, 2006

Jeff Wilson / Film crew lowering camera into crevasse in Gorner glacier, near Zermatt in the Swiss Alps, Switzerland, for BBC Planet Earth series, Mountains episode, 2006

Neil Lucas / Camerman Doug Allan at frozen water surface of drilled ice hole, BBC film crew, McMurdo Sound, Ross Sea, Antarctica, November 2008

NEIL NIGHTINGALE / Producer Neil Nightingale and film crew filming David Attenborough on Ellesmere Island, Canada, presenter of BBC 'Private Life of Plants', 1994

Ben Osborne / Film crew film on location in South Georgia for BBC television series Life in the Freezer ,1992. Alastair Fothergill producer (left) and presenter Sir David Attenborough

Leo & Mandy Dickinson / Camerman with parachute jumps from hot air balloon ready to film peregrine falcon diving after lure 'Ultimate Killers' 2000

Paul Williams / Film crew working on Big Cats series lived for 4 weeks in gers / yurts when filming the rare Pallas's cat. Altanbulag, Mongolia 2017

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...

Devon Wildlife Trust / Release of Eurasian beavers (Castor fiber) into River Otter, assisted by Martin Hughes-Games with camera crew filming. Part of escaped population re-released to the wild following veterinary check ups...

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.

David Pattyn / Bengal tiger (Panthera tigris tigris) walking and being filmed by a National Geographic filming crew. Ranthambore National Park, Rajasthan, India, April 2012.

John Downer / Film crew operating 'Iceberg cam' remote camera for filming polar bears. Svalbard, Norway, taken on location for 'Polar Bear : Spy on the Ice' August 2010

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.

Tom Marshall / Badger (Meles meles) bovine tuberculosis vaccine being administered by Shropshire Wildlife Trust in autumn 2012, with BBC film crew observing. The badger is then sprayed with a stock-marker paint mark...

Mark Carwardine / BBC film crew filming and sound recording Grey whale (Eschrichtius robustus) at surface, San Ignacio Lagoon, Baja California, Mexico, February 2009

Norbert Wu / Sperm Whale (Physeter macrocephalus) with diver, Caribbean Sea, Dominica

Norbert Wu / Sperm Whale (Physeter macrocephalus) pair with diver, Caribbean Sea, Dominica

Norbert Wu / Sperm Whale (Physeter macrocephalus) group of seven with diver filming them, Caribbean Sea, Dominica

Norbert Wu / Sperm Whale (Physeter macrocephalus) with diver, Caribbean Sea, Dominica

Kathryn Jeffs / The Glden Fleece, base ship for BBC film crew, off Ambers island, US base, Antarctica, February 2009, Taken on location for BBC Frozen Planet series

Kathryn Jeffs / Johm Durban, scientist, on board the 'Golden Fleece', base ship for the BBC film crew looking out for whales, Antarctica, February 2009, Taken on location for BBC Frozen Planet series

Kathryn Jeffs / Camera lens image of the bridge on board the 'Golden Fleece', base ship for the BBC film crew, Antarctica, February 2009, Taken on location for BBC Frozen Planet series

Kathryn Jeffs / The 'Golden Fleece', base ship for the BBC film crew, sailing up the coast of Antarctic Peninsula, Antarctica, January 2009, Taken on location for BBC Frozen Planet series

Kathryn Jeffs / Cineflex camera mounted on the 'Golden Fleece' (base ship of the BBC film crew) as it passes through floe ice off the Antarctic Peninsula, Antarctica, January 2009, Taken on location for BBC Frozen Pl...

Kathryn Jeffs / Broken ice in the wake of the 'Golden Fleece' (base ship of the BBC film crew) off the Antarctic Peninsula, Antarctica, January 2009, Taken on location for BBC Frozen Planet series

Kathryn Jeffs / Cineflex camera mounted on the 'Golden Fleece' (base ship of the BBC film crew) off the Antarctic Peninsula, Antarctica, January 2009, Taken on location for BBC Frozen Planet series

Kathryn Jeffs / Camera on board The Golden Fleece (base ship for BBC film crew) passing up the coast of the Antarctic Peninsula, Antarctica, January 2009, Taken on location for BBC Frozen Planet series

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...

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...

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...

Kathryn Jeffs / The Golden Fleece (base ship for BBC film crew) passing up the coast of the Antarctic Peninsula, Antarctica, January 2009, Taken on location for BBC Frozen Planet series

Kathryn Jeffs / Stabilising system for mounting a camera on the 'Golden Fleece', ship used as base for the film crew on location for BBC Frozen Planet series, off Northern tip of the Antarctic peninsula, Antarctica,...

Kathryn Jeffs / 'Golden Fleece', ship used as base for the film crew on location for BBC Frozen Planet series, off Northern tip of the Antarctic peninsula, Antarctica, January 2009

Kathryn Jeffs / View from 'Golden Fleece', ship used as base for the film crew on location for BBC Frozen Planet series, off Northern tip of the Antarctic peninsula, Antarctica, January 2009

Kathryn Jeffs / Cameraman, Doug Allan, fixing stabilised high definition film camera on the 'Golden Fleece' (base ship of the BBC film crew) as it passes along the Antarctic Peninsula, Antarctica, January 2009, Take...

Jeff Wilson / Helicopter and crew on deck of US Coastgaurd ship 'Healy' in frozen Bering Sea, Alaska, March 2008. Taken on location for the BBC series, Frozen Planet.

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 / Members of the Frozen Planet film crew travel ashore in small boat from Royal Navy ship, Antarctica, November 2008, Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / Aerial view of film crew in small boat approaching land, Antarctica, November 2008, Taken on location for the BBC series, Frozen Planet.

Jeff Wilson / The crew of United States Coastguard Cutter 'Healy' prepare decks in the Bering sea, Alaska, USA. The ship served as a platform for the Frozen Planet crew whilst filming Spectacled eider ducks overwin...

Jeff Wilson / Aerial view of science teams and Frozen Planet film crew working on the sea ice in the Bering Sea, Alaska, USA, March 2008. The film crew were in search of Spectacled eider ducks, temperatures rarely...

Jeff Wilson / Flim crew at 'Ice Camp' on a National Science Foundation field training course, McMurdo station, Ross Island, Antarctica, October 2009. Taken on location for BBC series, Frozen Planet, Winter

Jeff Wilson / Sun Dog, or Parhelion, visible over tent of film crew, caused by refraction of the sun's rays, more commonly seen in Antarctica, above glacier, Dry Valleys, Antarctica, December 2009. Taken on locatio...

Frederique Olivier / BBC Film crew member with film van, skis, snow buggy and camera equipment, Antarctica on location filming for Planet Earth series. 2005

Jeff Wilson / Portrait of Huli tribesman who helped film crew film Birds of Paradise, Papua New Guinea. Filming for BBC Planet Earth, Jungles episode, 2005

Jeff Wilson / Member of film crew entertains himself by drawing Snow leopard in the snow while crew searches for animals to film for BBC Planet Earth series, Mountains episode, Chitral, Hindu Kush, Pakistan 2005

Jeff Wilson / Portrait of local tracker working with film crew on location for BBC Planet Earth series, Mountains episode, 2005

Jeff Wilson / Member of film crew sleeping on mountain side while tracking snow leopard (Panthera uncia) Chitral, Hindu Kush, NW frontier, Pakistan. filming for BBC Planet Earth series 2005

Jeff Wilson / Porter carrying film crew equipment, above Chitral town in the Hindu Kush mountains, North West Frontier, Pakistan, during filming for BBC Planet Earth series, Mountains episode, 2005.

Jeff Wilson / Porters carrying film crew equipment in Chitral National Park for filming for BBC Planet Earth series, 2005

Jeff Wilson / Moving film crew vehicle back onto road in the Hindu Kush, North West frontier, Pakistan, on location filming for BBC Planet Earth series, 2005.

Jeff Wilson / Camera crew working in crevasse in Gorner glacier, near Zermatt in the Swiss Alps, Switzerland, for BBC Planet Earth series, Mountains episode, 2006. (Vertical dolly filming system)

Jeff Wilson / Portrait of Huli tribesman who helped film crew film Birds of Paradise, Papua New Guinea. Filming for BBC Planet Earth, Jungles episode, 2005

Jeff Wilson / Hornbill bird's beak and wild pig tusk used as decoration by Huli tribesman, who helped film crew film Birds of Paradise, Papua New Guinea. Filming for BBC Planet Earth, Jungles episode, 2005

Jeff Wilson / Portrait of Huli tribesman, and villagers, who helped film crew film Birds of Paradise, Papua New Guinea. Filming for BBC Planet Earth, Jungles episode, 2005

Jeff Wilson / Portrait of Huli tribesman, and villagers, who helped film crew film Birds of Paradise, Papua New Guinea. Filming for BBC Planet Earth, Jungles episode, 2005

Tim Laman / Antarctic charter vessel, Golden Fleece, with BBC film crew aboard. Antarctica, February 2009

Neil Lucas / BBC film crew filming Candelabra lilies (Brunsvigia bosmaniae) in flower for Life series, Namaqualand, South Africa, March 2008

Neil Lucas / Dive hut and track vehicle for BBC film crew, McMurdo, Ross Sea, Antarctica, Mt Erebus in the background, November 2008

Neil Lucas / Tracked vehicle with BBC film crew and equipment, McMurdo Sound, Ross Sea, Antarctica, November 2008

Neil Lucas / BBC film crew walking along ice road, McMurdo Sound, Ross Sea, Antarctica, November 2008

Neil Lucas / Aerial photography Cineflex camera attached to helicopter, BBC film crew, McMurdo Sound, Antarctica, November 2008

Neil Lucas / Tracked vehicle towing a hut and gas cylinder to ice hole for the BBC film crew, Piston Bully, Ross Sea, McMurdo Sound, Antarctica, November 2008

Neil Lucas / Heavy machinery for drilling through the ice to create an ice-hole for BBC filming crew, McMurdo Sound, Ross Sea, Antarctica, November 2008

Neil Lucas / Heavy machinery for drilling through the ice to create an ice-hole for BBC filming crew, McMurdo Sound, Ross Sea, Antarctica, November 2008

Neil Lucas / Crew watch heavy machinery drilling through the ice to create an ice-hole for BBC filming crew, McMurdo Sound, Ross Sea, Antarctica, November 2008

Neil Lucas / Heavy machinery for drilling through the ice to create an ice-hole for BBC filming crew, McMurdo Sound, Ross Sea, Antarctica, November 2008

Neil Lucas / Bulldozer and heavy machinery for drilling through the ice for BBC filming crew, McMurdo Sound, Ross Sea, Antarctica, November 2008

Neil Lucas / Cameraman Doug Allan and another from the BBC film crew walking across the ice towards an ice hole, McMurdo Sound, Antarctica, November 2008

Neil Lucas / BBC expedition team inside aeroplane, flying to McMurdo Sound, Antarctica, November 2008

Mark Brownlow / Film crew digging hole in ice for cameramen to dive in Lake Baikal, world's deepest and oldest (and largest by volume) freshwater lake, Siberia, Russia on location for BBC Planet Earth series, April 2...

Doug Allan / Film crew campsite west of Lhasa, Foothills of Himalayas, Tibet, October 2005

Chadden Hunter / Cameraman, Ted Giffords, checks the settings on the HD camera before the team swing the camera on a 6 metre jib arm out over ice caves in the glacier, with rope safety expert, Tim Fogg, behind, for th...

Chadden Hunter / Film crew filming on the lava field of Erta Ale volcano, The Rift Valley, Ethiopia, November 2003, Filming for the Mountains episode of BBC NHU tv series, Planet Earth. Chadden Hunter, Ted Giffords,...

Chadden Hunter / Early winter storm descending on the camp set up by the Planet Earth film crew at 3,000m altitude on the Gorner glacier in -20C, for the Mountains episode of the BBC tv series Planet Earth, Gorner Gla...

Chadden Hunter / Chadden Hunter (cameraman) and film crew filming inside 'moulins', the ice caves that drain meltwater through glaciers, Gorner Glacier, Alps, Switzerland, October 2005. Filming for the Mountains Epis...

Chadden Hunter / Chadden Hunter (scientific consultant), directs the camera into position as the team use a jib arm to swing the HD camera out over a 300 metre sheer drop in the Simien Mountains NP, Ethiopia, to film...

Chadden Hunter / Cameraman, Ted Giffords and other crew standing on the edge of 300m high cliffs in the Simien Mountains filming the dawn light hitting the escarpment, for the Mountains episode of the BBC tv series Pl...

Chadden Hunter / Film crew wearing gas masks to protect themselves from the poisonous gases given off by the mineral deposits, sitting on laval field of Erta Ale volcano, The Rift Valley, Ethiopia, November 2003, Film...

Chadden Hunter / A local Tuareg tribesman walks past the guesthouse where the film crew were based for filming sandstorms for the Deserts Episode of the BBC tv series Planet Earth, the famous mud-tower mosque of Agade...

Chadden Hunter / Film crew hanging on ropes inside a moulin, ice chute that drains meltwater through glacier, using ropes, scaffold poles and bicycle wheels to secure cameras, for the Mountains Episode of the BBC tv s...

Chadden Hunter / Cameraman, Ted Giffords, radios for help as an unexpected early winter storm descends on the team, the crew were working in an ice crevasse at the time, for the Mountains episode of the BBC tv series...

Chadden Hunter / Ted Giffords (cameraman) assisted by Jeff Wilson swings the end of a ‘jib arm' in order to glide the camera over Erta Ale, a bubbling lava lake, for Mountains episode of the BBC tv series Planet Earth...

Chadden Hunter / Film crew being dropped off by Ethiopian military helicopter beside the permanently bubbling Erta Ale lava lake, Erta Ale volcano, Danakil Desert, Ethiopia, November 2003. Filming for the Mountains e...

Chadden Hunter / Chadden Hunter (cameraman) filming inside a moulin, the ice chute that drains meltwater through glaciers; camera equipment secured using ropes, scaffolding poles and bicycle wheels, for the Mountains...

Hugh Pearson / BBC camera crew filming Cape gannet (Morus capensis) colony using a Jimmy Jib, Bird Island, off the coast of the Eastern Cape, South Africa, January 2008

Hugh Pearson / BBC camera crew filming Cape gannet (Morus capensis) colony using a Jimmy Jib, Bird Island, off the coast of the Eastern Cape, South Africa, January 2008