By the 1990s, Kowloon Walled City was a labyrinthine metropolis, with over 50,000 residents packed into an area of just 6.4 acres. The city was a maze of narrow alleys, cramped apartments, and makeshift shops, with entire families often living in single rooms.
The triads played a significant role in Kowloon Walled City, controlling much of the city's trade and commerce. They ran the brothels, opium dens, and extortion rackets, and often clashed with each other in violent turf wars. city of darkness life in kowloon walled city 1993pdf link
[Insert PDF link here]