A rare descriptive article on African urbanization and in The Daily Telegraph too. The dilemma is acute now, let alone in the future:
Slum life is therefore overcrowded, wretched, dangerous and — because of high levels of unemployment — often violent. With many African cities now consisting of increasingly prosperous pockets surrounded by vast swathes of resentful indigence, political insecurity is also a risk.
Link:https://www.telegraph.co.uk/news/0/nairobi-slum-reveals-vast-challenges-facing-africas-megacities/?