Burj Khalifa Tower (Arabic: برج خليفة, Latinization: burj khalifah, English: Burj Khalifa Tower), formerly known as Burj Khalifa Tower, also known as Dubai Tower or Bis Dubai, is the tallest building and artificial structure in the world.
The Burj Khalifa is 828 meters high, with a total of 162 floors. The cost is 1.5 billion US dollars. The building itself costs at least 1 billion US dollars, excluding the construction costs of its large shopping malls, lakes, and shorter towers. Burj Khalifa uses a total of 330,000 cubic meters of concrete, 62,000 tons of reinforced steel, and 142,000 square meters of glass.
In order to build the Burj Khalifa, about 4,000 workers and 100 cranes were used to pump concrete vertically over 606 meters, breaking the record of 492 meters when the Shanghai World Financial Center Building was constructed. There are 56 elevators in the building, with a speed of up to 17.4 meters per second, and a double-deck sightseeing elevator, which can carry up to 42 people at a time.
Burj Khalifa was built in 2004. On the evening of January 4, 2010 local time, Dubai Chief Mohammed bin Rashid Al Maktoum unveiled the “Dubai Tower”, which is known as “the tallest building in the world” The curtain on the monument announced the official completion of the building and renamed it “Khalifa Tower.”