- Name: Sears Tower
- Location: Chicago, USA
- Date Completed: 1974
- Material: Steel
- Height: 1454 feet
- Images: Altavista collections; Google collections
- Facts:
Known as the "bundled tube" approach, the innovative tubular system requires much less steel than did traditional designs while maintaining stiffness against wind loads.
- Links:
 The Official Site of Sears Tower
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