 For the entrance of the Time & Life Building lobby, he created "Two Portals" (1961), a 42-feet by 14-feet mural of alternating glass bands in white and brown that recede into two bronze centers to create an illusion of depth.In the 1960s, Walter Gropius, who was designing the Pan Am Building with Emery Roth & Sons and Pietro Belluschi, commissioned Albers to make a mural.The artist reworked "City", a sandblasted glass construction that he had designed in 1929 at the Bauhaus, and renamed it "Manhattan".