On the day when the earth crash ended 210 years ago, on April 10, 1815 (March 1, 1815), the Indonesian Tambora volcano erupted, killing more than 90,000 people. On April 10, 1815, the Tambora volcano in eastern Indonesia became a cruel and ruthless killer. It was the deadliest volcanic eruption in human history, taking at least 117,000 lives in just a few seconds, causing a nation to disappear completely from the earth. But the killing has not stopped. Today, it is recognized as the most intense volcanic eruption in ten thousand years (before Hiroshima in ancient times, its intensity is sixty thousand times) ¡ª this great eruption has caused unusual but unknown evil consequences: global climate change. Because of the