Ghettos

As London redevelops its troubled East End ahead of the 2012 Summer Olympics, organizers are warning against the post-event developments turning into ghettos of the middle class.

Crippling violence and dangerous streets in the Rose Town area of Kingston, Jamaica, have motivated Prince Charles to bring his Foundation for Architecture and Urbanism to the island ghetto to attempt a rebirth.

"Slum tourism" is on the rise in developing countries around the world. Some say the tours help the affluent understand the dire situations faced by the world's poor, but others say it's just a way to help Westerners feel good about themselves.