A city in China is known as 'The 8D City' due it's multi-layered construction, with trains rushing through buildings and the deepest underground system in the world ...
DuKai photographer/Moment/Getty Images Chongqing, one of China’s lesser known megacities, is easily one of the maddest places you'll ever visit. Known as the “8D City” for its cyberpunk architecture ...
Contrary to some beliefs, the building and train tracks were designed at the same time in an effort to maximize space.