FILE PHOTO: An aerial view shows the brine pools of SQM lithium mine on the Atacama salt flat in the Atacama desert of northern Chile, January 10, 2013. REUTERS/Ivan Alvarado
FILE PHOTO: An aerial view shows the brine pools of SQM lithium mine on the Atacama salt flat in the Atacama desert of northern Chile, January 10, 2013. REUTERS/Ivan Alvarado