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9 of 42 photos
Categories & Keywords

Category:Architecture and Structures
Subcategory:Interior Design
Subcategory Detail:
Keywords:Art gallery, DC, District Columbia, Great Hall, National, National Portrait Gallery, Patent Office, Patent Office building, Portrait Gallery, Smithsonian, Washington, Washington DC, abstract, floor, floor tiles, flooring, historic, justingreen19, landmark, pattern, squares, tiles, urban
The Great Hall

The Great Hall

Smithsonian National Portrait Gallery, Washington DC.