Random City Facts

In 1963, a man found a mysterious room behind a wall in his home that lead to a huge underground city that once housed up to 20,000 people, complete with schools, livestock pens, and food stores, dating back over a millennium.

China is building an ultra-modern car-free city that'll house 80,000 people in "high-rise core housing". It's entirely walkable and surrounded by green space. It's designed to use less water, create less waste, and generate less carbon dioxide than a normal city.