1. Burj Khalifa Former names :- Burj Dubai Record height :- Tallest in the world since 2010 Preceded by :- Taipei 101 General information Type :- Mixed-use Architectural style :- Neo-Futurism Location :- 1 Sheikh Mohammed bin Rashid Blvd - Dubai, United Arab Emirates Construction started :- 6 January 2004 Completed :- 30 December 2009 Opening :- 4 January 2010 Cost :- USD $ 1.5 billion Height Architectural :- 828 m (2,717 ft) Tip :- 829.8 m (2,722 ft) Roof :- 828 m (2,717 ft) Top floor :- 585 m (1,919 ft) Observatory :- 555.7 m (1,823 ft) Technical details Floor count :- 163 floors, plus 46 maintenance levels in the spire and 2 parking levels in the basement (Total: 211 floors) Floor area :- 309,473 m2 (3,331,100 sq ft) Lifts/elevators :- 58

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