What to do at Mong Kok Hong Kong's crowded corner

Hong Kong’s lively Mong Kok neighbourhood, on the Kowloon side of the city, has been described by Guinness World Records as the ‘busiest district in the world.’ The name, abbreviated to MK by locals, translates to crowded corner. And crowded it is, with a population density of 130,000 per km.
Here, among the maze of narrow, congested streets crammed with knick-knacks, curios, fortune tellers, tea houses, street food stalls, designer knock-offs, cosmetics, goldfish and bird sell