Burj Khalifa , Dubai
Burj Khalifa (Arabic: برج خليفة, "Khalifa Tower", pronounced English /ˈbɜrdʒ kəˈliːfə/), known asBurj
Dubai before its inauguration, is a skyscraperin Dubai, United Arab Emirates. It is the tallest artificial structure in the world, standing 829.8 m (2,722 ft).
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) development called Downtown Dubai at the 'First Interchange' along Sheikh Zayed Road, near Dubai's main business district.
The tower's architecture and engineering were performed bySkidmore, Owings and Merrill of Chicago, withAdrian Smith as chief architect, and Bill Baker as chief structural engineer. The primary contractor was Samsung C&T of South Korea.
The tower's construction was done by the construction division of Al Ghurair Investmentgroup.