Shanghai Tower is the world's third-tallest structure behind a building that reached its full height in which year ?
Tokyo Skytree Tokyo Skytree (東京スカイツリー , Tōkyō Sukaitsurī ) is a broadcasting, restaurant, and observation tower in Sumida, Tokyo, Japan. It became the tallest structure in Japan in 2010 and reached its full height of 634.0 m in March 2011, making it the tallest tower in the world, displacing the Canton Tower, and the second tallest structure in the world after the Burj Khalifa (829.8 m/2,722 ft).
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.