In the heart of Hangzhou’s financial district rises a structure so vast that it blurs the line between residential tower and self-contained city. The Regent International Apartment Complex, located in Qianjiang Century City, is widely described as one of the most densely populated residential buildings on Earth — home to an estimated 20,000 people within a single … [Read more...] about Inside ‘dystopian’ apartment block where its 20,000 residents never need to go outside