Changes

== Construction ==

== Construction ==

Groundbreaking began on September 21, 2004 and construction was officially finished on October 21, 2009; a time span of just over five years. It officially opened to the public in a ceremony on January 4, 2010. <ref>http://news.bbc.co.uk/2/hi/middle_east/8439618.stm?ls</ref>. In a surprise move, the tower was renamed the Burj Khalifa to honor Khalifa bin Zayed Al Nahyan; the president of the United Arab Emirates at it's opening ceremony.<ref>http://business.maktoob.com/20090000414838/Burj_Dubai_renamed_Burj_Khalifa_/Article.htm</ref>

Groundbreaking began on September 21, 2004 and construction was officially finished on October 21, 2009; a time span of just over five years. It officially opened to the public in a ceremony on January 4, 2010. <ref>http://news.bbc.co.uk/2/hi/middle_east/8439618.stm?ls</ref>. In a surprise move, the tower was renamed the Burj Khalifa to honor Khalifa bin Zayed Al Nahyan; the president of the United Arab Emirates at it's opening ceremony.

==Use==

==Use==