Question: Chungking Mansions is a building located at 36–44 Nathan Road in Tsim Sha Tsui, Kowloon, Hong Kong, the unusual atmosphere of the building is sometimes compared to that of the former Kowloon Walled City, Kowloon Walled City was a largely-ungoverned densely-populated settlement in Kowloon City in which region?
Sentence (from "Kowloon Walled City"): Its population increased dramatically following the Japanese occupation of Hong Kong during World War II.
Relevant evidence: No