Definitely worth a read, with photos that depicts the life of the residents at the Kowloon Walled City.
The full article here: A rare insight of Kowloon Walled City.
Once thought to be the most densely populated place on Earth, with 50,000 people crammed into only a few blocks.
33,000 families and businesses living in more than 300 interconnected high-rise buildings.
All constructed without contributions from a single architect!
It was demolished in 1992.