Smoke billowing out from volcano vent, Sulphur Lake, Kawah Ijen, Ijen Plateau, island of Java, Indonesia, Southeast Asia, Asia

Tourists trekking, Sulphur Lake, Kawah Ijen, Ijen Plateau, island of Java, Indonesia, Southeast Asia, Asia

Rainbow atmospheric effect above cloud above the Ijen Plateau, Java, Indonesia, Southeast Asia, Asia

Lush forest growing on the fertile volcanic slopes of Genung Ijen Plateau in East Java, Java, Indonesia, Southeast Asia, Asia

Smoke billowing out from volcano vent, Sulphur Lake, Kawah Ijen, Ijen Plateau, Java, Indonesia, Southeast Asia, Asia