File:The blue fire of Kawah Ijen 1.jpg

Creative Commons Attribution-Share Alike 4.0 truetrue English the blue fire of Kawah Ijen author name string: Thomas Fuhrmann URL: https://commons.wikimedia

Creative Commons Attribution-Share Alike 4.0 truetrue English the blue fire of Kawah Ijen author name string: Thomas Fuhrmann URL: https://commons.wikimedia

0CC BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English Blue fire of Ijen, Kawah Ijen, Java, Indonesia determination method: SHA-1

Creative Commons Attribution-Share Alike 4.0 truetrue English Blue fire of Ijen, Kawah Ijen, Java, Indonesia author name string: Jakub Hałun Wikimedia username:

Creative Commons Attribution-Share Alike 4.0 truetrue English Blue fire of Ijen, Kawah Ijen, Java, Indonesia author name string: Jakub Hałun Wikimedia username: