John Sparks / David Attenborough with mountain gorillas, on location during filming for BBC 'Life on Earth' series in Rwanda 1978

Huw Cordey / Sir David Attenborough recording voice over for BBC series, The Hunt. September 2015.

Merryn Thomas / Broadhaven Beach, Pembrokeshire Coast National Park, Pembrokeshire, Wales, March 2012.

Konrad Wothe / Wooden hut of the polar explorer Sir Wally Herbert which was dismantled and transported to the Falkland island Museum, Port Stanley, Falkland Islands, South Atlantic Ocean. No release available.

Miles Barton / Sir David Attenborough holding Shingleback skink (Trachydosaurus rugosus / Tiliqua rugosa) on location for BBC series 'Life of Birds', Australia. 1997

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

John Sparks / Sir David Attenborough with mountain gorillas on location for BBC series 'Life on Earth', Rwanda, Africa 1978

John Sparks / Sir David Attenborough with mountain gorillas, on location for BBC series 'Life on Earth', Rwanda, Africa 1978

Neil Lucas / Sir David Attenborough riding Indian elephant during filming of 'Life of Mammals' for BBC tv, Thailand, 2002

Neil Lucas / Sir David Attenborough next to Blue whale skeleton during filming for 'Life of Mammals', 2002. Santa Barbara, USA

David Woodfall / Silhouette of Sir Antony Gormley's 'Another Place' on Crosby beach, with shipping container in distance. Liverpool bay, Mersey Estuary, England, UK, October 2011.

David Woodfall / Silhouettes of Sir Antony Gormley's sculptures 'Another Place' on Crosby beach, with wind turbines in Liverpool bay. Mersey Estuary, England, UK, October 2011.