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Tallest Buildings in the World

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searstower2

Sears Tower
Chicago, Illinois


Constructed from 1970 to 1974 for Sears, Roebuck & Co., the tower rises 110 stories to a height of 1,450 ft (442 m). The 253 ft (77 m) television antenna topping it makes it the world's third largest freestanding structure at 1,703 ft (519 m). Designed by the firm of Skidmore, Owings and Merrill, the Sears Tower is supported structurally by square tubes of welded steel with floors suspended within the tubes, a technological innovation that was developed specifically for the mammoth tower by architectural engineer Fazlur Kahn. The Sears Tower has an exterior of black aluminum and bronze-toned glass cut by black bands. Source: Columbia Encyclopedia.

Fun Fact: On a clear day, visitors can see Indiana, Wisconsin, and Michigan from the top of the Sears Tower.

Photo source: Soakologist

Next: Jin Mao Building
Shanghai, China

Infoplease

Provided by Infoplease—an authoritative, comprehensive reference website that offers an encyclopedia, a dictionary, an atlas, and several almanacs. Visit Infoplease.com to find more resources endorsed by teachers and librarians.

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