Wright's business was to shock and awe all mankind while doing what he could to épater la bourgeoisie at the same time. In 1956, there was neither the technological, nor indeed the financial, possibility of Wright's Sky City being built. It was a fantasy designed to impress. So, too, is Burj Dubai – or Burj Khalifa, the Khalifa Tower, as we must now call it, after it was renamed yesterday in honour of the president of the United Arab Emirates.