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In page Fazlur Rahman Khan:
"Khan's seminal work of developing tall building structural systems are still used today as the starting point when considering design options for tall buildings.[1] Tube structures have since been used in many skyscrapers, including the construction of the World Trade Center, Aon Centre, Petronas Towers, Jin Mao Building, Bank of China Tower and most other buildings in excess of 40 stories constructed since the 1960s.[2] The strong influence of tube structure design is also evident in the world's current tallest skyscraper, the Burj Khalifa in Dubai. According to Stephen Bayley of The Daily Telegraph:
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