Burj Khalifa: All About World's Tallest Building

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Burj Khalifa in Dubai, United Arab Emirates is the tallest building in the world

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The skyscraper stands at over 828 metres (2,716.5 feet) and has more than 160 storeys

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Excavation work for Burj Khalifa began in 2004. It was officially launched in 2010

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More than 12,000 people from all over the world were involved in the construction of Burj Khalifa

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About 26,000 hand-cut glass panels were used in the exterior cladding of the building

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Burj Khalifa houses a hotel, corporate suites and private ultra-luxury residences

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It takes about three months to clean the Burj Khalifa building from the top to the bottom

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Burj Khalifa was designed with a complex Y-shaped cross section to reduce the effect of wind

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It has the tallest elevator in a building (504 m) and has the most floors in a building (163)

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Burj Khalifa also has the highest restaurant from ground level at 441 metres

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