Question

world highest building​

Answer 1

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Burj Khalifa is the world's highest building which is located in Dubai,UAE.

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Answer 2

Answer:

The Burj Khalifa , known as the Burj Dubai prior to its inauguration in 2010, is a skyscraper in Dubai, United Arab Emirates. With a total height of 829.8 m (2,722 ft) and a roof height (excluding antenna) of 828 m (2,717 ft), the Burj Khalifa has been the tallest structure and building in the world since its topping out in 2009.