Kawah Ijen, is a gargantuan volcano on the island of Java, Indonesia, with its lake water's pH similar to that of battery acid. The Ijen volcano complex is a group of composite volcanoes in the ...
Kawah Ijen is a giant, active volcano on the island of Java with a crater that contains the world's largest acidic lake. The water has a pH lower than 0.3 in parts of the lake where hydrothermal ...
When you’re in the mine, the sky is covered by gases. Day and night are confused. You feel suspended in time. Sunarto, 41 years old, carries a load of sulfur out of the Kawah Ijen crater.