SocietyUnited Arab Emirates
With glass-panelled walkways, dizzying observation decks and endless floors to ascend, the world's tallest buildings are no place for the faint hearted. But the views from the top are always worth the climb...
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Burj Khalifa, Dubai Height: 828m On the tallest building in the world's 124th floor, you can look out over a 360° panoramic view of Dubai.
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Shanghai Tower, Shanghai Height: 632m It may only be the world's second tallest building, but its viewing platform on the 119th floor is the world's highest and, some would argue, has better views than its taller sister.
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One World Trade Center, New York Height: 541.3m The One World Observatory at the top of the One World Trade Center is located over the building's top three floors.
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Taipei 101, Taipei Height: 508m Spread over its 88th and 89th floors, Taipei 101's Indoor Observation Deck can be reached in less than 40 seconds. An outdoor deck on the 91st floor, with its giant gold wind damper to stabilise the building through typhoons and earthquakes, opens only in good weather.
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Shanghai World Financial Center, Shanghai Height: 492m Sat on the 100th floor of the Shanghai World Financial Center, the Observatory long stood as the world's tallest. It may not be the highest in the city but architecture fans will enjoy its distinctive rectangular cutout, around which the observatory runs.
