In the center of Mumbai, next to the city's newest and most expensive commercial developments, lies one of Asia's largest slums, where as many as one million squatters live in makeshift housing on one square mile of government land. This is the notorious Dharavi district, best known from the movie Slumdog Millionaire. In recent years, cities from Delhi to Rio de Janeiro have demolished similar slums, at times violently evicting their residents, to make way for development. But Dharavi and its residents have endured for a century, holding on to what is now some of Mumbai's most...

In the center of Mumbai, next to the city's newest and most expensive commercial developments, lies one of Asia's largest slums, where as many as one million squatters live in makeshift housing on one square mile of government land. This is the notorious Dharavi district, best known from the movie Slumdog Millionaire. In recent years, cities from Delhi to Rio de Janeiro have demolished similar slums, at times violently evicting their residents, to make way for development. But Dharavi and its residents have endured for a century, holding on to what is now some of Mumbai's most...