Opium dens, dodgy dentists & dog meat cafes – Inside ‘world's most crowded city’ where 50,000 people lived for 40 years

A SPRAWLING fortress just outside Hong Kong was once the most crowded city on Earth. With some 50,000 people crammed into a few blocks of concrete jungle, Kowloon Walled City was an ungoverned place plagued by lawlessness. 11 A bird’s-eye view of Kowloon Walled City showing the 300 interconnected buildings crammed up across 6.4 acres of land Credit: Wikimedia Commons/Ian Lambot 11 One of the crammed-up apartment buildings in Kowloon Credit: Getty 11 The poorly constructed flats depicted the scarce housing conditions inside the walled city Credit: Alamy 11 The complex was overcrowded by Chinese immigrants after World War Two…