| Dubai: World’s tallest tower Burj Dubai reached 100 floors on Tuesday, becoming the sixth to reach the milestone scaling 347.3 metres and utilising 242,000 tonnes of reinforced concrete and 46,000 steel rebars to date.
Sears Tower in Chicago (110 floors), Ryugyong Hotel in North Korea (105), Empire State Building, New York (102), Taipei 101 (101) and John Hancock Centre, Chicago (100) are the only other structures in the world that are currently at 100 storeys or more.
At 347.3 metres, Burj Dubai is one of only 38 structures in the world that are 300 metres or more high.
It is now higher than three other super-tall structures in the region — the Burj Al Arab (321 metres), Emirates Towers Hotel (309 metres) and Kingdom Centre, Saudi Arabia (302 metres). | 
