Photographer Olivier Grunewald’s shots of molten sulphur igniting and burning with eerie blue flames at Kawah Ijen volcano in Indonesia.
nationalgeographic/lostateminor/laughingsquid
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Photographer Olivier Grunewald’s shots of molten sulphur igniting and burning with eerie blue flames at Kawah Ijen volcano in Indonesia.
nationalgeographic/lostateminor/laughingsquid