Inside the Chinese town under ONE roof with 20,000 crammed into dystopian flat block where you never need to go outside

THIS is the Chinese town where all 20,000 residents live under one roof – and you never need to go out. The Regent International apartment building in Qianjiang Century City, Hangzhou's central business district, is like nothing you’ve ever seen before. 10 The Regent International apartment building – home to 20,000 residents Credit: nevsedoma 10 Originally designed as a hotel, the building has kept some of it’s impressive features Credit: nevsedoma 10 One of the communal areas for residents of the building Credit: nevsedoma 10 Located inside Hangzhou's central business district, the building is primarily occupied by young professionals and…