The Burj Khalifa: The World's Tallest Building

Burj Khalifa is known for being the tallest building in the world, standing at 2,717 feet (828 m). Being architecture royalty, the tower has an ionic telescopic spire and the world’s highest outdoor observation deck. According to reports, 12,000 builders and contractors worked on the project every day, and it is thought that 22 million person-hours were required to finish it. It is specifically designed to overcome wind resistance. The structure ascends to the heavens in a series of stalks that peak out unevenly around the central spire. This structure houses the world's largest pendulum. A total of 1.59 million cubic feet (45,000 m3) of concrete weighing more than 110,000 tonnes was poured for the foundations. The amount of steel rebar used in creating Burj Khalifa is 31,400 m ...