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).
Tianjin Radio and Television Tower The Tianjin Radio and Television Tower is a 415.2 m tower in Tianjin, China used primarily for communication. It is the 8th tallest freestanding tower in the world. It was built in 1991 at a cost of $45 million. Approximately two-thirds up the tower is an observation pod with 253 m2 of floor space (used mostly for communication equipment). It is a member of the World Federation of Great Towers.