How Tall is Too Tall?

Dubai. Photo by Zeyad T. Al-Mudhaf The Burj Khalifa defies the imagination. It stands nearly one kilometre above the streets of Dubai, spanning a total of 163 floors — 209 if you could the maintenance levels in the building’s spire. When it was completed in 2010, at a cost of more than US$1.5 billion, it […]