In 1986, something unthinkable happened at Lake Nyos in Cameroon. Late at night, without warning, the lake released a massive cloud of carbon dioxide—a silent, invisible gas that spread across nearby villages while everyone slept. By morning, over 1,700 people had lost their lives, along with thousands of animals. There was no fire, no storm, no visible destruction—just silence. Entire communities were found as if time had frozen. Survivors described waking up to a nightmare. Friends and family