Since the early twentieth century began a long career by winning the stage, beginning with the Empire State Building (New York). It was not until more than 40 years to when the towers of the World Trade Center (New York) took control of the heights. Subsequently, the leadership passed to the Sears Tower (Chicago). The domination of the Sears Tower had stood for 25 years until the supremacy of the heights he moved to Asia with the opening of the Petronas Towers (Kuala Lumpur). The Petronas Towers launched an era of high-rise buildings in Asia: The Jin Mao Tower (Shanghai), The Two International Finance Center (Hong Kong) and the new leader of the heights, Taipei 101 (Taiwan). But control of the heights of the planet will move into the middle east with the construction of the Burj Dubai Tower (Dubai). The new tower, Burj Dubai is currently growing at the rate of one floor every 4 days.
