The impact of urbanisation in Africa, explained - BBC Africa

The urban population in Africa is growing faster than anywhere else in the world. Urbanisation can contribute to poverty reduction and increased development, but it can also pose major challenges. The main one is access to clean water and sanitation. Yemisi Adegoke explains. Subscribe: http://bit.ly/subscribetoafrica Website: https://www.bbc.com/africa Facebook:   / bbcnewsafrica   Twitter:   / bbcafrica   Instagram:   / bbcafrica