06 Dec 2018 olof Jarlbro Magazine, reportage December 6, 2018 olof Jarlbro In-depth Reportage”The most Hellish work on earth” sulfur mining in Kawah Ijen volcano. A full six page story in the latest issue of the Swedish environment magazine Effekt. More here Effekt, environment, Kawah Ijen volcano, mining, reportage, sulfur mining