Central Africa is a region that, for many, retains an impenetrable feel. The likes of Congo, Central African Republic, Cameroon and Gabon seem out of reach for most travellers, and yet their riches are endless to the intrepid.

Andy talks us through an ongoing, seven year project to produce a giant coffee-table book unlocking the secrets of this vast wilderness. From running from forest elephants to dodging snakes, it’s been a wild ride for sure so far.