Andrea Friedman is working on Local Initiatives in Colima, Mexico

Within urban planning and geography,  racial and income integration is almost always measured by the neighbourhood unit. Colour coded maps depict cities as mosaics – made up of homogenous tiles of neatly defined neighbourhoods. This kind of analysis  often leads to quick local policy and planning fixes.  But cities aren’t made up of neatly defined boundaries, and race and income aren’t necessarily confined to the lines on a map.  Eric Fisher’s expansion of Bill Rankin’s cartography without boundaries shows both the fluidity and rigidity of urban America’s social landscape.

Can you guess the city?

This is Detroit. To check out the rest, click here!