DC -- Natl Museum of Natural History -- Exhibit: Geology, Gems, and Minerals:
[1] SINHGE_190615_001.JPG
[2] SINHGE_190615_005.JPG
[3] SINHGE_190615_007.JPG
[4] SINHGE_190615_012.JPG
[5] SINHGE_190615_014.JPG
[6] SINHGE_190615_017.JPG
[7] SINHGE_190615_020.JPG
[8] SINHGE_190615_024.JPG
[9] SINHGE_190615_026.JPG
[10] SINHGE_190615_029.JPG
[11] SINHGE_190615_031.JPG
[12] SINHGE_190615_034.JPG
[13] SINHGE_190615_037.JPG
[14] SINHGE_190615_040.JPG
[15] SINHGE_190615_044.JPG
[16] SINHGE_190615_047.JPG
[17] SINHGE_190615_049.JPG
[18] SINHGE_190615_052.JPG
[19] SINHGE_190615_055.JPG
[20] SINHGE_190615_058.JPG
[21] SINHGE_190615_062.JPG
[22] SINHGE_190615_065.JPG
[23] SINHGE_190615_068.JPG
[24] SINHGE_190615_071.JPG
[25] SINHGE_190615_076.JPG
[26] SINHGE_190615_079.JPG
[27] SINHGE_190615_083.JPG
[28] SINHGE_190615_087.JPG
[29] SINHGE_190615_089.JPG
[30] SINHGE_190615_092.JPG
[31] SINHGE_190615_093.JPG
[32] SINHGE_190615_096.JPG
[33] SINHGE_190615_099.JPG
[34] SINHGE_190615_103.JPG
[35] SINHGE_190615_104.JPG
[36] SINHGE_190615_107.JPG
[37] SINHGE_190615_110.JPG
[38] SINHGE_190615_112.JPG
[39] SINHGE_190615_114.JPG
[40] SINHGE_190615_116.JPG
[41] SINHGE_190615_119.JPG
[42] SINHGE_190615_121.JPG
[43] SINHGE_190615_126.JPG
[44] SINHGE_190615_128.JPG
[45] SINHGE_190615_130.JPG
[46] SINHGE_190615_135.JPG
[47] SINHGE_190615_138.JPG
[48] SINHGE_190615_140.JPG