DC -- Downtown -- Natl Geographic Society -- Explorers Hall (1145 17th St NW):
[1] NGS_190320_001.JPG
[2] NGS_190320_005.JPG
[3] NGS_190320_009.JPG
[4] NGS_190320_013.JPG
[5] NGS_190320_017.JPG
[6] NGS_190320_023.JPG
[7] NGS_190320_028.JPG
[8] NGS_190320_034.JPG
[9] NGS_190320_040.JPG
[10] NGS_190320_053.JPG
[11] NGS_190320_057.JPG
[12] NGS_190320_066.JPG
[13] NGS_190320_073.JPG
[14] NGS_190320_077.JPG
[15] NGS_190320_084.JPG
[16] NGS_190320_087.JPG
[17] NGS_190320_094.JPG
[18] NGS_190320_105.JPG
[19] NGS_190320_111.JPG
[20] NGS_190320_113.JPG
[21] NGS_190320_116.JPG
[22] NGS_190320_120.JPG
[23] NGS_190320_125.JPG
[24] NGS_190320_128.JPG
[25] NGS_190320_130.JPG
[26] NGS_190320_141.JPG
[27] NGS_190320_144.JPG
[28] NGS_190320_147.JPG
[29] NGS_190320_149.JPG
[30] NGS_190320_155.JPG
[31] NGS_190320_159.JPG
[32] NGS_190320_162.JPG
[33] NGS_190320_174.JPG