China to build world’s tallest building – in just 90 days

By Clifford Coonan When completed by the end of next March, Sky City in Changsha will be the tallest skyscraper in the world, standing at 2,749ft (838m) high, over 220 floors. And remarkably, they’ve not started building it yet. It took Dubai more than five years to build the world’s tallest building, the 828m Burj […]