A view shows a banner reading,"No to the closure of the smelters, we demand investment" as workers of Codelco's Ventanas copper smelter take part in a rally in support of their job positions, after authorities declared an environmental emergency in the region, pointing to the refinery as a possible cause of contamination along with other companies in the area, in Ventanas, Chile June 14, 2022. REUTERS/Rodrigo Garrido