Slated to become the world's tallest skyscraper and symbol of a city given to grandiose projects, "Burj Dubai," or Dubai Tower, is rising in parallel with the profits of its promoter, Emaar Properties. With two stories added every week, Burj Dubai is taking shape as the centerpiece of a 20-billion-dollar venture featuring the construction of a new district, "Downtown Burj Dubai," that will house 30,000 apartments and the world's largest shopping mall. Launched in early 2004, the construction of the tower by South Korea's Samsung should be completed at the end of 2008 and cost one billion dollars, according to...