Ijen crater is a crater that is still active and full of mystery. Natural smoke and fire in nature which flowed through the pipe so that turned into a toxic hot water. water dripping on the ground, and within a period of approximately 15 minutes, the water becomes frozen and hard as stone. and the stone was brimstone ..! then the sulfur workers to fill baskets made of bamboo with sulfur. 250 meters from the crater are very steep uphill and then they go down about 3 miles ..! hard life and lots of secret hidden in the beauty of Mount Ijen.
