The joint eighth highest completed skyscraper is still the tallest twin towers in the world. Finished in 1996 and inaugurated in 1999, it’s been the site of numerous hair-raising stunts. Felix Baumgartner set a then-BASE jump world record in 1999 by jumping off a window cleaning crane, and in 2009 Frenchman Alain Robert, known as “Spiderman,” freeclimbed to the top of Tower Two without safety equipment — and did so in under two hours. Height: 451.9m (1483ft) Floors: 88 Architect: Cesar PelliCredit: Goh Seng Chong/Bloomberg via Getty Images 
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