The Burj Khalifa, also known as the Burj Dubai prior to its inauguration in 201, is a skyscraper located in Dubai, United Arab Emirates. Standing at a height of 828 meters (2,717 feet), it is currently the tallest building in the world.

Construction on the Burj Khalifa began in 2004 and it was officially opened on January 4, 201. Designed by Adrian Smith of Skidmore, Owings & Merrill, the building features a distinctive Y-shaped floor plan and is made up of multiple sections that gradually narrow as the tower rises. It has a total of 163 floors, with the highest occupied floor being on the 154th level.

The Burj Khalifa is primarily used for commercial and residential purposes, with everything from high-end apartments and luxury hotels to office space and restaurants located within the building. It also boasts several observation decks, including the famous At The Top, which is located on the 124th floor and offers visitors stunning panoramic views of the city.

Overall, the Burj Khalifa is a remarkable feat of engineering and one of the most iconic buildings in the world. Its unique architecture, world-class amenities, and unparalleled views have made it a must-visit destination for travelers from around the globe.请问您想咨询关于什么问题呢？我可以为您提供帮助。