World in Progress: Putting slum dwellers on the map
One billion people worldwide live in slums, but often they are not on the map of political decision makers. At the same time, slum dwellers distrust officials, because they fear eviction. Under the 'Know your cities' project, slum dwellers are collecting crucial data in their own settlements to improve urban planning. Skye Dobson from Slum Dwellers International explains.
Interview: Anke Rasper