World's Tallest Freestanding Structure On Land
Freestanding structures include observation towers, monuments and other structures not generally considered to be "Habitable buildings", but excludes supported structures such as guyed masts and ocean drilling platforms. (See also history of tallest skyscrapers.)
The world's tallest freestanding structure on land is defined as the tallest self-supporting man-made structure that stands above ground. This definition is different from that of world's tallest building or world's tallest structure based on the percentage of the structure that is occupied and whether or not it is self-supporting or supported by exterior cables. Likewise, this definition does not count structures that are built underground or on the seabed, such as the Petronius Platform in the Gulf of Mexico. Visit world's tallest structure by category for a list of various other definitions.
As of May 12, 2008, the tallest freestanding structure on land is the Burj Khalifa in Dubai, United Arab Emirates. The building, which now stands at 829.8 m (2,722 ft), surpassed the height of the previous record holder, the 553.3 m (1,815 ft) CN Tower in Toronto, Ontario, on September 12, 2007. It was completed in 2010, and was topped out at 829.8 m (2,722 ft) in January 2009.
Read more about this topic: List Of Tallest Buildings And Structures In The World/Archive 1
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