DC -- Natl Geographic Society -- Explorers Hall:
[1] NGS_170314_01.JPG
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[2] NGS_170314_05.JPG
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[3] NGS_170314_08.JPG
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[4] NGS_170314_13.JPG
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[5] NGS_170314_16.JPG
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[6] NGS_170314_19.JPG
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[7] NGS_170314_21.JPG
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[8] NGS_170314_24.JPG
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