An agent of the Chico Mendes environmental agency ICMBio holds a pot of mercury used in gold panning during an operation against illegal gold mining at the Urupadi National Forest Park in the Amazon rainforest, conducted by agents of the Chico Mendes environmental agency ICMBio with support of the Federal Police, the Federal Highway Police, Brazilian Intelligence Agency (ABIN) agents and Brazilian Public-Safety National Force officers, in the municipality of Maues, Amazonas state, Brazil May 21, 2023. REUTERS/Adriano Machado/File Photo