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 ...

This includes things like the vast outdoor plazas Lu showed in his video, which can appear like the ground floor but are ...

For comparison, the deepest tube station in London is Hampstead, which lies 58.5 metres below ground level – half the depth of the Chongqing station. Meanwhile, the deepest subway station in New ...

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 ...