After four decades of reporting from the continent, Jonathan Dimbleby returns to Africa on a 7,000-mile journey to discover how it is changing.
　　【Mali, Ghana and Nigeria】
　　He starts his African journey in the capital of Mali, Bamako, the fastest-growing African city. Following the course of the Niger river, Dimbleby finds not a continent of beggars but of industrious people, some of whom go to extraordinary lengths to make a living, free-diving 20 feet to excavate building sand.
　　Travelling north-east, he sees how tradition is preserved in an area where a sophisticated urba...