Saudi Prince to Build World's Tallest Tower:
Kingdom Tower (Arabic: برج المملكة) 'll be world's tallest Skyscraper in world.
its construction 'll start in Jeddah & it 'll be completed in 2017.
Saudi billionaire Prince Alwaleed bin Talal signed a $1.23 billion contract with Bin Laden Group for the proposed tower, which will take just over five years to complete. The building is the centerpiece of the planned Kingdom City development being built outside Jeddah by Prince Alwaleed's Kingdom Holding.