What is the Burj Khalifa (Burj Dubai)?
Update – – The Burj officially opened in January, 2010 and was renamed Burj Khalifa. It is now officially the tallest building in the world. Burj Dubai is a skyscraper under construction in Dubai, United Arab Emirates. Even in its unfinished state, it is the tallest man-made structure ever built. During July 2007, the Burj [more...]