SKYSCRAPERS UNDER CONSTRUCTION IN 2015

On track to become the world ’ s second-tallest building , Gensler ’ s Shanghai Tower has already topped out at a height of 632 metres , surpassed only by the 828-metre Burj Khalifa in Dubai . It is the tallest structure ever built in China and features a twisted form generated after a series of wind-tunnel tests . It will offer an observation deck on the 124th floor when it opens later this year .

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