20 May
As of today Burj Dubai tallest structure in the world
Source: SkyscraperCity
Today Burj Dubai has reached 650m height, officially becoming the highest structure in the world by surpassing the 646m high Warsaw radio mast. Construction started in September 2004 and is expected to finish in September 2009 at a height of 819m.
[SkyscraperCity via Gizmodo]
