Poachers to gamekeepers - how profit benefits Namibia's elephants

Despite previous attempts to stop the killing of elephants, poaching is taking a heavy toll on the population. One solution is to make elephants worth more alive than dead.

Alastair Leithead has been to the Caprivi Strip in north-eastern Namibia, which has seen its elephant population increase because the local communities are making money out of the wildlife.