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Forces of Nature | Clip | At the Kawah Ijen

At the Kawah Ijen volcano in Indonesia, bright yellow elemental sulphur is mined, but the valuable sulphur is also flammable and easily catches fire. It burns with a blue flame but also produces choking fumes of sulphur dioxide. Each night a team of workers must brave the harsh conditions and put out the flames to keep the mine active and the sulphur pure.

S1 E2 | 0:02:50 | AIRED: 9/20/2016 |
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