how tall is the burj dubai
The Burj Khalifa (Arabic: Ø¨Ø±Ø¬ Ø®ÙÙÙØ©ââ, Arabic for Khalifa Tower; pronounced English /ËbÉËrdÊ kÉËliËfÉ/), known as the Burj Dubai before its inauguration, is a megatall skyscraper in Dubai, United Arab Emirates. It is the tallest structure in the world, standing at 829.8 m (2,722 ft). Construction of the Burj Khalifa began in 2004, with the exterior completed 5 years later in 2009. The primary structure is reinforced concrete. The building was opened in 2010 as part of a new development called Downtown Dubai. It is designed to be the centrepiece of large-scale, mixed-use development.