Burj Khalifa (Dubai Tower)

Burj Khalifa (Arabic: برج خليفة, romanized: burj khalifah, English: Burj Khalifa Tower), originally known as Burj Dubai, is also known as the Dubai Tower or Burj Dubai Tower.

The Burj Khalifa stands at 828 meters tall, with a total of 162 floors, costing 1.5 billion US dollars, the building itself cost at least 1 billion US dollars, not including the construction costs of its large internal shopping mall, lake, and the group of shorter towers. The Burj Khalifa used a total of 330,000 cubic meters of concrete, 62,000 tons of reinforcing steel, and 142,000 square meters of glass. In order to build the Burj Khalifa, approximately 4,000 workers and 100 cranes were deployed to pump concrete vertically to a height of over 606 meters, breaking the record of 492 meters set during the construction of the Shanghai World Financial Center. The building has 56 elevators, with a maximum speed of 17.4 meters per second, as well as double-decker sightseeing elevators, with a maximum capacity of 42 people each time.

Construction of the Burj Khalifa began in 2004, and on the evening of January 4, 2010, local time, Dubai ruler Mohammed bin Rashid Al Maktoum unveiled the curtain on the monument known as the "world's tallest building", "Burj Dubai", officially announcing the completion of the building and renaming it "Burj Khalifa". [1]