There are restrictions for re-using this image. For more information, visit the Smithsonian's Terms of Use page .
International media Interoperability Framework
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more.
- Poster, depicting the different types of black boxes, displayed at the September 11, 2001, World Trade Center Recovery site.
-