FILE PHOTO: Dump trucks operate at Barrick Gold Corp’s Veladero gold mine in Argentina’s San Juan province, April 26, 2017. Picture taken April 26, 2017. REUTERS/Marcos Brindicci
FILE PHOTO: Dump trucks operate at Barrick Gold Corp’s Veladero gold mine in Argentina’s San Juan province, April 26, 2017. Picture taken April 26, 2017. REUTERS/Marcos Brindicci