This photo taken on December 28, 2009 shows a worker makes preparations for setting up fireworks on the external walls of Burj Dubai for its official inauguration on January 4, 2010. Burj Dubai is a supertall skyscraper under construction in Dubai, United Arab Emirates, and is the tallest man-made structure ever built, at 818 m. Construction began on September 21, 2004, and the tower is expected to be completed and ready for occupancy on January 4, 2010. [Photo/CFP]
