United States National Museum Basement Construction. Also known as 21682Smithsonian Institution Archives, Record Unit 79, National Museum Building Construction Records, Image No. SIA2009-1858Smithsonian Institution Archives Capital Gallery, Suite 3000, MRC 507; 600 Maryland Avenue, SW; Washington, DC 20024-2520

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Photo credit: © SBS Eclectic Images / Alamy / Afripics
License: Licensed
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