https://www.youtube.com/watch?v=NnpZCoBMFTI&t=1s 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. Initially designed as a hotel, this mammoth structure has been turned into thousands of [...]