World tallest building in Burj Dubai

World tallest building is opened in Dubai today at Burj. This building contains 160 floors and the estimated height of this building is 2,625 feet. There are totally 57 lifts and 8 escalators in this building. This building consists of five star hotels, luxury rooms, MNC companies, sports and other entertainment related floors. To build this big building they took 4 years with around 12,000 laborers. The total cost to construct is $1.5 billion. This new superscraper is believed to improve the economy of Dubai in future.