Martyn Colbeck has spent 15 years scouring Africa for extraordinary images of the elephant. He has had to learn to read their minds and anticipate their every move. He has witnessed incredible behaviour: small secretive elephants deep in the Congo jungle, Echo the family matriarch giving birth at night, two huge bull elephants clashing heads in a deadly duel and mystical desert elephants gliding over the sandy dunes of Namibia.