Architecture of Chicago a new structural system of framed tubes in skyscraper design and construction. The first building to apply the tube-frame construction was the DeWitt-Chestnut Apartment Building which Khan designed and was completed in Chicago by 1966. This laid the foundations for the tube structures of many other later skyscrapers, including his own constructions of the John Hancock Center and Willis Tower (then named the Sears Tower) in Chicago and can be seen in the construction of the World Trade Center, Petronas Towers, Jin Mao Building, and most other supertall skyscrapers since the 1960s. Willis Tower would be the world's tallest building
Formica Building 2003, the CAC featured work by noteworthy artists such as Robert Morris, Jennifer Bartlett and Maya Angelou. Until recently, the space formerly known as the Contemporary Arts Center has remained vacant. Recognizing the need for a unique venue in downtown Cincinnati, MCA Center worked with Cincinnati designers to reinvent the space's identity as The Center. Formica Building The Formica Building is a mixed-use building in Cincinnati, Ohio. The building opened in 1970 and was designed by Chicago architect Harry Weese, perhaps best known for designing the Metro stations in Washington, D.C. The building contains both an office tower and arcade