Will Mexico City Be Home To The World's First 'Earthscraper'

We have all heard of skyscrapers - those towering structures that dominate city landscapes all over the world - But an Earthscraper? That's got to be a first. The incredible concept which entails building a 65-story structure underground, is the brainchild of Mexican firm BNKR Arquitectura, as an attempt to get around Mexico City's eight-floor building limit.