The World's Tallest Building is Back on Track to be built in 90 Days

The world's tallest building is back on track to be completed in just 90 days, in spite of rumors that the Chinese construction company behind the project and schedule. A senior vice president told that project is plans to build the 838-meter skyscraper in the Hunan Province capital of Changsha "will go on as planned with the completion of five storey’s a day.

On the current timetable, the building should be finished by March 2013.The construction company said the building would top out at 838 meters 10 meters higher than the Burj Khalifa, which is currently the world's tallest building and cost $628 million to construct, a fraction of the cost of the Burj.

It also promised to do the work at light speed, and would be finish in just three months. Whereas in comparison to The Burj took five years to completed. BSB plans to do the work quickly by using a proprietary prefabrication technique. It eventually hopes to sell standardized skyscrapers around the world and become the "McDonald’s of the sustainable building industry.

According to the company Sky City will be mixed use, with luxury apartments, low income housing, and space for businesses and retail. Project will also be earthquake-resistant and have 31 high-speed elevators to take visitors to the upper-level observation decks.