indonesian miner carry natural sulfur from ijen volcano crater

acidic activity asia asian banyuwangi basket breathe bright caldera carry chemical chunk conditions crater culture danger dangerous destinations element emissions extreme famous gunung hard harmful hazardous heavy ijen indonesia indonesian island java javanese journey kawah labor labour laden landmark load man manual mine miner mineral mining mountain natural operation people person photo piece place popular producing site smoke sulfur sulphur tour tourist traditional travel trip volcanic volcano walk wonderful work worker yellow