Extraction of the sulfur

Photographer Olbia Grunwald recently made several visits to the mine for the extraction of sulfur in the crater of the volcano Kawah Lien in East Java, Indonesia. He brought with him the necessary equipment to capture the surreal imagery, lit moonlight, torchlight, and blue flame of burning sulfur. Miners in the crater first climb of 2600 meters, then down to the shore of the 200-meter crater lake of sulfuric acid, where they get pieces of pure sulfur and carry them back to the weighing station. Presenting your attention the photos of these brave miners working under the cover of night.