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Why Is This Indonesian Volcano Spewing Blue Lava Instead of Red? Scientists Can’t Believe Their Eyes!
In the eastern reaches of Java, Indonesia, the Kawah Ijen volcano stuns the world with a spectacle of neon-blue flames ...
The incredible volcano with blue 'lava' that has become a dark tourism haven
A truly remarkable quirk of the natural world - this volcano lights up the night sky in an iridescent blue when its sulphuric ...