By arranging the rooms along the perimeter of each building, the duo managed to comfortably accommodate 40 single rooms on each of four floors, for a total of 160. Photo 3 of 3 in Tod Williams Billie Tsien Architects Selected to Build the Barack Obama Presidential Center from Cutting-Edge Dorms Embrace The Landscape with No Need for Elevators or Interior Stairs

Tod Williams Billie Tsien Architects Selected to Build the Barack Obama Presidential Center

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By arranging the rooms along the perimeter of each building, the duo managed to comfortably accommodate 40 single rooms on each of four floors, for a total of 160.