In the region of Indonesia's East Java volcano is Kawah Ijen, 2,6 km in height, topped by a large caldera
(depression at the top) and a lake with a depth of sulfuric acid, 200-meters.
This low activity of the volcano emits into the crater of gas fumes, which are local miners use to earn a living. Evaporation linger on natural stone and ceramic pipes, which, as a result of condensed sulfur in the form of molten red liquid, then it flows down and solidifies in the form of pure sulfur. Miners bring down the frozen pieces with steel bars. At the same time they use a minimum of protection, despite the fact that during the stand extremely hazardous gases and liquids. Then the miners shoulder the sulfur and carry it several miles to the weighing station. The cargo can weigh from 45 to 90 kg, and a miner for a day can do more than two or three walker. At the end of a long day, the miners receive 50 thousand rupees ($ 5). The sulfur is then used for vulcanizing rubber, sugar bleaching and other industrial processes.

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