"in other periurban slums all over the world"
Slums outside of Lima, Peru
Public DomainSlums outside of Lima, Peru - Credit: Allyson Hoffman

Periurban (peri-urban) slums are sprawling areas of slums outside a city. Mike David, history professor at UC-Irvine, explains, "They have become one of the most important sites in world politics, because it’s the social reality we know least about, where the city meets the countryside in a hybrid and unprecedented form."