Vianet Djenguet

Big Cats 24/7 follows the lives of lions, cheetahs and leopards in the Okavango Delta, Botswana, a place described as one of Africa's last wildernesses. With extraordinary, unparalleled access in a rarely visited area and the opportunity to film from the ground, the air and through the night, the Big Cat 24/7 team work together to follow the cats' lives around the clock.

Take a trip back through the natural history archives with some of the BBC's favourite wildlife presenters, as they share a few of their most memorable wild adventures.