Rescuers prepare to go down the coal mine for rescue work in Shizuishan City, northwest China's Ningxia Hui Autonomous Region, Sept. 28, 2016. Eighteen miners have been confirmed dead while two others remain missing after an explosion occurred on Tuesday morning at a small coal mine belonging to Linli Coal Mining Co. Ltd. in Shizuishan City. An initial investigation showed that the deadly coal mine explosion was caused by illegal mining. (Xinhua/Wang Peng)
