Huge Erections: What’s Driving The Rise Of Super Towers?

Is it just us or are towers getting taller and taller these days? Broad Group, a Chinese developer, recently announced plans to scale up its prefabricated building technology to unparalleled proportions. The proposed Sky City outside Changsha will be the tallest on earth at 838 m or 2,749 ft, just barely inching past… » 5/24/13 3:40pm 5/24/13 3:40pm