Gem buyers test the quality of gems before a private sapphire auction organized by a mine owner
{"Image ImageDescription": "MOGOK, MANDALAY REGION, MYANMAR - 2016/11/07: Gem buyers test the quality of gems before a private sapphire auction organized by a mine owner. (Photo by Thierry Falise/LightRocket via Getty Images)", "Image Copyright": "? 2016 Thierry Falise"}