The Economist once called Bombay “The most expensive slum in the world”. When I was a child, we used to fly to India every year, stopping for a day on the way there and back at my uncle’s place in the Khar district of that city, and I certainly agree with the characterization.
German cinematographer and photographer Lutz Konermann shows you can find beauty in that unlikeliest of places, in his collection called Bombay Bits.
P.S. Yes, I know the city was officially renamed “Mumbai” for political reasons by the extremist BJP party in power there, the way Madras was renamed “Chennai” and Poona became “Pune”. Here is an article debunking the controversy.