Officially, the floating Lagos slum of Makoko does not exist. It does not appear on any city planning documents or maps. But that is about to change, thanks to a team of local volunteers and South Africa-based NGO Code For Africa. Using geolocalising technology, they navigate the waterways of this floating slum to create a map that they hope will improve the lives of those living here. N°1MN9EVN°1MN9O7