According to businessweek reported in the United States, Saudi Arabia's prince Alwaleed (Alwaleed Bin Talal) said it would a port city of jeddah in Saudi Arabia to build a the world's tallest building. The building will amount to thousands of meters high, at the same time also will be equipped with the world's fastest double-decker elevators.

Report points out that nowadays the supertall buildings should not only consider the height of the building, the speed of the elevator has become a new field of competition. Prince alwaleed, 15, said the new skyscraper elevator speed will reach 12.5 meters, 750 meters per minute per second. The Finnish Kone elevator manufacturers (Kone) will provide elevator for this building.

According to reports, the Taipei 101 building two single elevator is currently the world's fastest elevator, speed up to 1010 meters per minute. But this record will be broken, because the CTF tower built in guangzhou after two years of the elevator speed can reach 1200 meters per minute. These elevators have technology to reduce blocked ears feeling, make the elevator for about 43 seconds from one layer to the 95th floor.

In addition to the elevator speed, the construction of the building, the prince alwaleed will hit a new high in other ways. According to bloomberg, the billionaire index, prince alwaleed, worth $34 billion (RMB 210 billion), the ranking of global 14. The prince alwaleed, the price of the soaring.