Here are some of China's major coal mining disasters this century

CHINA — A gas explosion at a coal mine in China’s northern province of Shanxi, the country's main coal mining province, killed at least 82 people, local officials said Saturday. The cause of the explosion, which took place on Friday evening at the Liushenyu coal mine in the city of Changzhi, is under investigation. With a size larger than Greece and a population of around 34 million, the province’s hundreds of thousands of miners dug 1.3 billion metric tons of coal last year &m