kawah ijen volcano and sulfur lake is composite volcanoes in the banyuwangi regency of east java, indonesia, kawah ijen have blue

active asia background banyuwangi beautiful beauty blue cloud composite crater danger east fire fjord flame fog gas have heat hiking ijen indonesia island java kawah lake landscape mining mist mitre mountain national nature outdoor park peak people reflection regency rock scenic sky smoke sulfer sulfur tourism travel view volcanic volcano volcanoes water