A worker lifts a gold bullion bar from a conveyor machine at the Rand Refinery Ltd. plant in Germiston, South Africa, on Wednesday, Aug. 16. 2017. Established by the Chamber of Mines of South Africa in 1920, Rand Refinery is the largest integrated single-site precious metals refining and smelting complex in the world, according to their website. Photographer: Waldo Swiegers/Bloomberg