World's tallest skyscraper..

Burj Dubai is a super tall skyscraper under construction in the Downtown Burj Dubai district of Dubai, United Arab Emirates and is the tallest structure ever built. Construction begin on 21 September 2004 and the tower is expected to be completed and ready for occupancy by September 2009.

The tower's architect is Adrian Smith who worked with Skidmore, Owings and Merrill (SOM). The total budget for the Burj Dubai is about US $4.1 billion. It is the tallest structure which is 818m

Burj dubai has been designed to be the centerpiece of a large scale, mixed-use development that will include 30 000 homes, 9 hotels, Dubai mall and more. The decision to build Burj Dubai is reportedly based on the goverment's decision to diversity from a trade=based economy to one that is service tourism oriented.