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).
23 Marina 23 Marina is an 88-story, 392.8 m residential skyscraper in Dubai, United Arab Emirates. It was the world's tallest all-residential building until the completion of the nearby Princess Tower. The tower has 57 swimming pools and each duplex in the tower is equipped with its own private elevator.