'The Chicago Spire, estimated to be completed in 2010, will replace this as the USA's tallest building'
the Sears Tower
THE WORLD ALMANAC AND BOOK OF FACTS: The Chicago Spire, estimated to be completed in 2010, will replace this as the USAs tallest building
The Chicago Spire, estimated to be completed in 2010, will replace this as the USA's tallest building
The Chicago Spire, estimated to be completed in 2010, will replace this as the USA's tallest building
THE WORLD ALMANAC AND BOOK OF FACTS
the Sears Tower
THE WORLD ALMANAC AND BOOK OF FACTS