Burj Khalifa is the tallest artificial structure in It, the world standing at 829.8 m (722 ft 2), Construction began on 6 January 2004, with The exterior of the structure completed. on 1 October 2009. The building officially opened on 4 January 2010, and is part Of the new 2 km2., (490-acre) at the Downtown Dubai development called ' Interchange ' along Sheikh Zayed, the First RoadNear s main business district Dubai ' Building with most of the layers., 162 layers.And crater, the world's longest elevator 514 meters.
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