Stefan Christmann / Cameraman Lindsay McCrae on ice overlooking Southern Ocean, filming for BBC Dynasties Penguin programme. Atka Bay, Antarctica. March 2017.

Stefan Christmann / Cameraman Lindsay McCrae on sea ice filming frozen landscape and icebergfor BBC Dynasties Penguin programme. Atka Bay, Antarctica. October 2017.

Stefan Christmann / Cameraman Lindsay McCrae filming Emperor penguin (Aptenodytes forsteri) colony for BBC Dynasties Penguin programme. Chicks are on sea ice whilst parents fish at sea. Atka Bay, Antarctica. December 201...

Michael Pitts / Cameraman Michael Pitts filming Green turtle (Chelonia mydas) Karan Island. Arabian Gulf, June 2009

Chadden Hunter / Filming on the Antarctic sea-ice at the edge of a small hole. A cameraman gets a shock when a Killer whale (Orcinus orca) mother and calf explode out of the water in front of his face. Taken on locat...

Chris Gomersall / 2020VISION / Will Bolton, 2020VISION videographer, filming at Westleton Heath, Minsmere RSPB reserve, Suffolk, UK, February 2011.

Martin Dohrn / Three hyenas (Crocuta crocuta) approaching a resting lion (Panthera leo) at night. Topi Plain, Masai Mara, Kenya. Image taken using an infared camera with no artificial visible light, on location for...

Martin Dohrn / Group of hyena (Crocuta crocuta) playing in deep rain puddle at night. Topi Plain, Masai Mara, Kenya. Image taken using "starlight camera" with no artificial light, on location for National Geographi...

Martin Dohrn / Thermal camera image of hippos (Hippopotamus amphibius), crocodile (Crocodylus niloticus) and wildebeest (Connochaetes taurinus, far left) on the banks of the Mara River, Masai Mara, Kenya. Image take...

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