Sometimes it’s good to have the blues 😍🌋💙 The electric-blue light from the Kawah Ijen volcano in Indonesia is visible only in the darkness. #ParadiseIslands | National Geographic TV

135K views · 5.4K reactions | Kawah Ijen: The blue fire volcano - What kind of fire burns blue in the dark? How can a lake be more acidic than battery acid? Deep inside Indonesia’s Kawah Ijen volcano, nature creates a spectacle few have ever witnessed. According to Geology.com, the glowing blue flames and acidic waters are real — and far more dangerous than they seem. But what lies beneath the surface of this volcanic giant? | The Brain Maze | Facebook

6.8M views · 224K reactions | Ijen Blue fire दुनिया की सबसे ख़तरनाक जगह में से एक | Bansi Bishnoi vlog | Facebook