January 21, 2010 in News Tags: Burj Dubai Khalifa, tallest buildings
http://kl.am/6ugk
January 21, 2010 in Web Tech Tags: Burj Dubai Khalifa, tallest buildings
http://kl.am/6u9g
January 5, 2010 in News Tags: Burj Dubai Khalifa, tallest building
http://hotair.com/archives/2010/01/05/video-the-spectacular-obligatory-burj-khalifa-now-open-for-business-clip/