Heavy machinery operates at the Uyuni salt lake near lithium pilot plant of Llipi

Heavy machinery operates at the Uyuni salt lake near lithium pilot plant of Llipi

Heavy machinery operates at the Uyuni salt lake near lithium pilot plant of Llipi in Potosi department, Bolivia, November 29, 2017. Picture taken in November 29, 2017. REUTERS/David Mercado

January 23, 2018 12:09 PM (UTC+8)