Burj Khalifa is the tallest building in the world, standing at a height of 828 meters (2,716.5 feet). It was officially opened on January 4, 2010, in Dubai, United Arab Emirates.

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The building was designed by Adrian Smith of Skidmore, Owings, and Merrill, and it took six years to complete. The total cost of construction was around US$1.5 billion.

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The Burj Khalifa has a total of 163 floors, with the highest observation deck located on the 148th floor. Visitors can take an elevator ride that travels at a speed of 10 meters per second to reach the observation deck.

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The building is equipped with 57 elevators and 8 escalators, and it has a total of 2957 parking spaces in a 6-storey garage.

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The Burj Khalifa holds many world records, including the world's tallest freestanding structure, the world's highest outdoor observation deck, and the world's highest occupied floor.

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The tower is designed to withstand extreme weather conditions, including winds of up to 200 miles per hour and earthquakes of up to 7.0 magnitudes on the Richter scale.

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The Burj Khalifa is not just a building, but a mixed-use development that includes residential apartments, hotels, offices, and retail space. The building houses the luxurious Armani Hotel Dubai, which occupies the first 39 floors.

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The tower features a unique "Y" shaped floor plan, which maximizes views of the Arabian Gulf. The building's façade is covered in more than 26,000 glass panels, which were manufactured in Germany.

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The Burj Khalifa's impressive fountain system, located at its base, shoots water up to 150 meters into the air. The fountain performs a choreographed water dance to a variety of music, including classical, Arabic, and popular songs.

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The building's name was changed from Burj Dubai to Burj Khalifa in honor of Sheikh Khalifa bin Zayed Al Nahyan, the President of the United Arab Emirates and the ruler of Abu Dhabi, who provided financial assistance to the project during the 2008 global financial crisis.

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