Related Clues:
- Urban blight
- In Britain they're called thieves' kitchens
- Urban renewal targets
- Neglected neighborhoods
- Housing problem
- Poor housing areas
- Urban eyesores
- Some tenements
- Urban-renewal candidates
- Blighted blocks
- Run-down areas
- Depressed areas
- Areas of urban decay
- Nearly a billion people live in them
- Run-down urban areas