Employees of the Codelco's Chuquicamata copper mine work in Calama, Antofagasta province, Chile on April 11, 2023. The Chilean Congress approved on Wednesday May 17, 2023 an increase in the specific tax on large copper mining with which they seek to raise more resources to allocate them to social projects in the country, which is the world's leading producer of the metal. (Photo by Glenn ARCOS / AFP)