Reuben Wu traveled thousands of miles to photograph a volcano where the sulfuric gases glow blue.
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Inside the Crater That Leaks Neon Blue 'Lava
Spectacular Neon Blue Lava: Kawah Ijen Volcano (PHOTOS)
Inside the Crater That Leaks Neon Blue 'Lava
Spectacular Neon Blue Lava: Kawah Ijen Volcano (PHOTOS)
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