FILE PHOTO: An employee walks at the Rincon Mining lithium pilot plant, at the Salar del Rincon salt flat, in Salta, Argentina August 12, 2021. Picture taken August 12, 2021. REUTERS/Agustin Marcarian
FILE PHOTO: An employee walks at the Rincon Mining lithium pilot plant, at the Salar del Rincon salt flat, in Salta, Argentina August 12, 2021. Picture taken August 12, 2021. REUTERS/Agustin Marcarian