伊真活火山 鬼火及天堂篮湖之地 Ijen Volcano Mountain Indonesia - Kawah Ijen Crater, Blue Flames and Sulfur Mining

Ijen volcano mountain is a famous volcanic complex located in East Java, Indonesia. It is an active volcano that contains an acidic lake and a sulfur mine. Deep in the crater, in air heavy with toxic gases, miners extract chunks of sulfur.