
IJEN becomes a thrilling experience when we look directly the struggle of those people who go into the center of the earth to exploit its resources. There are no sophisticated tools; the only tools are the fragile strength of arms and legs.
Ijen cauldron is the sulfur resources which is very important for human being. This cauldron is located at the top of Ijen mountain, which belongs to the series of volcanoes in East Java, Bromo, Semeru,...