Shiretokoiozan, Volcano which erupted molten sulfur
Shiretokoiozan is one of the three strange volcanoes in the world. It eject a huge amount of molten sulfur. In the last eruption in 1936, a crater on the mountainside ejected 20 thousand tons of liquid sulfur and it flew into Kamuiwakka Creek.
Molten sulfur flowing into Kamuiwakka Creak. The white bank in the ditch
is sulfur which is already cooled to be solidified.
Photo taken by Dr. Watanabe in 1936