Canton Tower : The Longest Spiral Staircase Design In The World
Canton Tower formerly known as Guangzhou TV And Sightseeing Tower. is an observation tower near Chigang Pagoda, 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, replaced the CN Tower at 553 m in Canada, which previous held the title for 34 years. Also the tallest structure in China (preceded by SWFC) and East Asia, the Canton Tower is the fifth tallest structure and the second freestanding structure in the world (after Burj Khalifa). It is named after "Canton", the traditional European name of the city.