A forest guardian paints his face while on Araribóia indigenous land near the city of Amarante, Maranhão state, Brazil, on September 10, 2019. #

One of the forest guardians holds a gun as he prepares to search for illegal loggers on Araribóia indigenous land on September 10, 2019. #

Guajajara tribesmen prepare to search for illegal loggers on Araribóia indigenous land on September 10, 2019. #

A forest guardian sits in a car as it drives through Araribóia indigenous land during a search for illegal loggers near the city of Amarante on September 10, 2019. #

A member of the forest guardians searches for illegal loggers in Maranhão state on September 11, 2019. #

Forest guardians make a stop during a search on September 12, 2019. #

A Guajajara tribesman sets fire to a structure in a logging camp on Araribóia indigenous land on September 12, 2019. #

A logging camp on Araribóia indigenous land burns on September 12, 2019. #

A forest guardian searches for illegal loggers in Maranhão state on September 17, 2019. #

Guajajara tribesmen search the truck of a logger in the forest near the city of Amarante on September 17, 2019. #

Forest guardians detain a logger on Araribóia indigenous land on September 17, 2019. #

A member of the forest guardians detains a logger found on Araribóia indigenous land on September 17, 2019. #

A Guajajara tribesman burns a truck used by loggers on September 17, 2019. #

A logger kneels on the ground in front of a burning truck after being detained on September 17, 2019. #

A Guajajara tribesman burns a truck used by loggers on September 17, 2019. #

Guajajara forest guardians gather during a search for illegal loggers on Araribóia indigenous land in Maranhão state, Brazil, on September 17, 2019. #