Roberto Cabral Borges, 54, a member of the Special Inspection Group from the Brazilian Institute of Environment and Renewable Natural Resources (IBAMA), holds bird feathers inside a camp made by illegal miners, during an operation against illegal mining in Yanomami Indigenous land, Roraima state, Brazil, December 5, 2023. "This is the problem with mining that people don't see - the mercury that poisons the rivers and the animals that are killed," said Borges. REUTERS/Ueslei Marcelino