Levison and his guide Kane conclude their journey in the Okavango Delta, a vast wetland that is home to lions, crocodiles and angry hippos and where each year more than 40,000 elephants gather to feed.
Levison sets out to trek alongside elephants on their annual migration across Botswana. He gets up close with a group of orphans and takes part in an ancient ritual before finding a herd to follow.
Levison continues his trek following Botswana's elephants on their annual migration. He narrowly avoids being surrounded by nervous bull elephants before joining them for a drink at a waterhole.