The building is designed like a classical column with a heavy base, a
projecting cornice at the top and curved walls on each side. Its
gleaming stainless steel and glass surfaces reflect the vitality of
Chicago’s business centre, this new landmark across the street from the
Mies Van Der Rohe, is now the flagship building of an international company. Consists of two parts, a low rise section on State Street, and a square high-rise tower to the west on Dearborn. Foundation was preserved and used to support the new tower.