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The Willis Tower, originally and still commonly referred to as the Sears Tower, is a 110-story, 1,451-foot (442.3 m) skyscraper in the Loop community area of Chicago in Illinois, United States. Designed by architect Bruce Graham and engineer Fazlur Rahman Khan of Skidmore, Owings & Merrill (SOM), it opened in 1973 as the world's tallest ...
At the time, the Willis Tower held first place in the second and third categories, the Petronas Towers held the first category, and the original WTC North Tower held the fourth (height to tip) category with its antenna. [19] In 2000, however, a new antenna mast was placed on the Willis Tower, giving it the record in the fourth category.
Read Fast Facts from CNN about Willis Tower, formerly the Sears Tower, located in Chicago. ... Facts. The Sears Tower was the world’s tallest building until 1996, when it was surpassed by the ...
Galaxy World Tower 1 356.0: 1,168 71 (+ 5 below ground) Shenzhen China: 2023 [97] [98] Galaxy World Tower 2 Il Primo Tower: 356.0 1,168 79 Dubai United Arab Emirates: 2022 [99] 85 JW Marriott Marquis Dubai Tower 1: 355.4: 1,166 82 (+ 2 below ground) 2012 [100] [101] JW Marriott Marquis Dubai Tower 2: 2013 87 Emirates Office Tower: 354.6 1,163 ...
The trussed tube concept was applied to many later skyscrapers, including the Onterie Center, Citigroup Center and Bank of China Tower. [41] Willis Tower, engineered by Khan and designed by Bruce Graham, was the tallest building in the world for 25 years. The design introduced the bundled tube structural system.
The observatory (360 Chicago), [11] which competes with the Willis Tower's Skydeck, has a 360° view of the city, up to four states, and a distance of over 80 miles (130 km). 360 Chicago is home to TILT, a moving platform that leans visitors over the edge of the skyscraper to a 30-degree angle, [12] a full bar with local selections, [13 ...
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The original One World Trade Center (also known as the North Tower, Tower 1, Building One, or 1 WTC) was one of the Twin Towers of the original World Trade Center complex in New York City. It was completed in 1972, stood at a height of 1,368 feet (417 m), and was the tallest building in the world until 1973, when surpassed by the Sears Tower in ...