Burj Khalifa the Highest building of the World: 12 most Interesting Facts
The In Dubai, United Arab Emirates, there is a skyscraper name Burj Khalifa. It was formerly referring to as the Burj Dubai before its official opening in 2010. The exterior of the Burj Khalifa was on completion in 2009, five years after the exterior construction start in 2004. It is the tallest structure in the…