For 10 points, name this structure designed by Johnson and Mies van der Rohe.
Alexander Calder's Ordinary is located outside of this structure, which lies across from the Skidmore, Owings, and Merrill-designed Lever House. The shear trusses and shear walls of this building extend to the 29th and 17th floors of it respectively. This building has three specified positions for window blinds, which its architect included to maintain uniformity. Mark Rothko was going to create displeasing art for the Four Seasons Restaurant in this International Style building. For 10 points, name this structure designed by Johnson and Mies van der Rohe.
Alexander Calder's Ordinary is located outside of this structure, which lies across from the Skidmore, Owings, and Merrill-designed Lever House.
Seagram Building