Ijen Crater is the most beautiful sulfur crater in Indonesia with the tosca lake, yellow cliffs and the green vegetation make Ijen crater looked colorful. There are many unique things you can find at Ijen crater, one of two blue fire in the world is located there, you will see the miners with different body with the normal human, they have special heart which bigger than us. also you can enjoy the tropical forest with big trees and fens that will give you the fresh air.