Africa’s Megacities a Major Draw for Young Up-and-Comers

London. Paris. Lagos. The list of international megacities is growing, with more and more African entries on the list. Mayors from the world’s megacities met this week in Johannesburg to discuss the challenges their cities face. VOA’s Anita Powell took to the streets of gritty Johannesburg to unravel the allure of the African megacity.