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...

Jordi Chias / Underwater cameraman filming Loggerhead turtle (Caretta caretta) Los Gigantes, South Tenerife, Canary Islands, Atlantic Ocean.

Michael Pitts / Mike de Gruy, underwater camerman, in Remora submersible, Mediterranean

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

Loic Poidevin / Camerawoman waiting in vehicle, looking out over the savanna, Masai Mara, Kenya. March.

Stefan Christmann / Cameraman Lindsay McCrae with camera on location for BBC Dynasties Penguin programme. Atka Bay, Antarctica. July 2017.

Stefan Christmann / Cameraman Lindsay McCrae filming Emperor penguin (Aptenodytes forsteri) group tobogganing across ice on journey to provide young with food;for BBC Dynasties Penguin programme. Atka Bay, Antarctica. Oc...

Stefan Christmann / Cameraman Lindsay McCrae filming Emperor penguin (Aptenodytes forsteri) breeding colony on ice shelf in drifting snow, for BBC Dynasties Penguin programme. Atka Bay, Antarctica. October 2017.

Stefan Christmann / Cameraman Lindsay McCrae filming Emperor penguin (Aptenodytes forsteri) breeding colony on ice shelf in drifting snow, for BBC Dynasties Penguin programme. Atka Bay, Antarctica. October 2017.

Stefan Christmann / Camerman Lindsay McCrae preparing to film on ice shelf overlooking Southern Ocean during summer , for BBC Dynasties Penguin programme. Atka Bay, Antarctica. October 2017.. Atka Bay, Antarctica. Februa...