Willis Tower

Skyscraper in Chicago, USA (1973), with a bundled-tube structural system.

Core Features

• Built with steel and glass.
• Includes steel framing.

Architectural Connections

• North American: Regional tradition.
• Commercial: Office tower.

Related Elements & Sites

Empire State Building (related site), Facade (element), Modern (period)

Record

Completed: 1973

Location: Chicago, USA

Extracted from this page’s own description.