The Kowloon Walled City, a maze of apartments, walkways and stairs, so cramped that sunlight couldn’t reach the lower levels and had a population density of 1,255,000 per square kilometre.
The Kowloon Walled City, a maze of apartments, walkways and stairs, so cramped that sunlight couldn’t reach the lower levels and had a population density of 1,255,000 per square kilometre.
