Guangzhou Tower [Canton Tower],also known as Guangzhou TV & Sightseeing Tower, in Haizhu, Guangzhou, Guangdong, China. It was topped-out in 2009 and became operational on September 29, 2010 for the 2010 Asian Games. The tower is the tallest tower in the world, replacing the CN Tower in Canada, which previous held the title for 34 years. Also the tallest structure in China , the Guangzhou Tower is the third tallest structure and the second freestanding structure in the world .
The tower is designed by the Dutch architects Mark Hemel and Barbara Kuit of Information Based Architecture together with Arup, the international design, engineering and business consulting firm headquartered in London, UK.