Quick Facts
| City | Chicago |
| Country | United States of America |
| Year | 1978 - 1983 |
| Floors | 57 |
| Height | 205.1 m / 673 ft |
Realization
| Architect |
Skidmore, Owings & Merrill |
Building Info
| Address | 940-980 North Michigan Avenue |
| Materials |
pink granite |
| Status | Completed |
Notes
- Uses a tube structure, a technique also used in the Willis Tower.
- The building consists of 3 tubes: they rise 21, 49 and 57 stories high.