DC -- Natl Building Museum:
[1] BLDG_190701_01.JPG
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[2] BLDG_190701_09.JPG
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[3] BLDG_190701_11.JPG
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[4] BLDG_190701_14.JPG
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[5] BLDG_190701_16.JPG
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[6] BLDG_190701_18.JPG
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[7] BLDG_190701_22.JPG
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