Kawah Ijen's Blue Flames: Sulfur Burning in Air
The mesmerizing blue flames of Indonesia's Kawah Ijen are not what they appear to be. Volcanic gases that seem to dance…
Kawah Ijen's Blue Flames: Volcanic Eruption at Night
Blue flames dance on the edge of a boiling crater lake, marking Kawah Ijen as a fiery spectacle of nature. At night, su…