Shanghai Tower is the world's third-tallest structure behind a building that reached its full height in which year ?
Shanghai Tower The Shanghai Tower () is a 632 m , 128-story megatall skyscraper in Lujiazui, Pudong, Shanghai. As of 2015, it is the world's tallest building, by height to highest usable floor (Level 127, 587.4 m). It also has the world's highest observation deck within a building or structure (Level 121, 561.25 m), and the world's fastest elevators at a top speed of 20.5 m/s (74 km/h; 46 mph ). It is the world's second-tallest building by height to architectural top (behind Dubai's Burj Khalifa, 828 m) and the world's third-tallest structure (behind Tokyo Skytree, 634 m).
Xiamen Post &amp; Telecommunications Building Xiamen Post & Telecommunications Building () is a 66-storey tall office skyscraper under construction at Hubin Road South and Xiahe Road in Xiamen, Fujian province, China. It will be 364 metres (1,194 ft) tall to the top of the spire and 249.7 metres (819 ft) without the spire. Construction has been suspended.