 |
| East Building, poured concrete coffers in the Study Center Photograph Lyle Peterzell, Department of Imaging and Visual Services, National Gallery of Art |
| Copyright © National Gallery of Art, Washington D.C. |
|
|
| East Building, poured concrete coffers in the Study Center Photograph Lyle Peterzell, Department of Imaging and Visual Services, National Gallery of Art |
| Copyright © National Gallery of Art, Washington D.C. |