Indonesia volcano spews blue flames up into the night sky(1/4)

This stunning photograph of Kawah Ijen volcano in Indonesia shows blue lava illuminating the night sky. But the blue glow from the volcano is not the lava itself, but a high quantity of sulphuric gas. The spectacular shots were taken by travel planner Donny Nugraha Pratama. (Photo/IC)

This stunning photograph of Kawah Ijen volcano in Indonesia shows blue lava illuminating the night sky. But the blue glow from the volcano is not the lava itself, but a high quantity of sulphuric gas. The spectacular shots were taken by travel planner Donny Nugraha Pratama. (Photo/IC)

This stunning photograph of Kawah Ijen volcano in Indonesia shows blue lava illuminating the night sky. But the blue glow from the volcano is not the lava itself, but a high quantity of sulphuric gas. The spectacular shots were taken by travel planner Donny Nugraha Pratama. (Photo/IC)

This stunning photograph of Kawah Ijen volcano in Indonesia shows blue lava illuminating the night sky. But the blue glow from the volcano is not the lava itself, but a high quantity of sulphuric gas. The spectacular shots were taken by travel planner Donny Nugraha Pratama. (Photo/IC)