A rescuer walks out of the accident site after a gas explosion happened at the Baoma Mining Co. Ltd. in the city of Chifeng, north China's Inner Mongolia Autonomous Region, in the early morning on Dec. 4, 2016. Thirty-two people have been confirmed dead in the explosion which occurred around midday on Saturday. There were a total of 181 people working underground at the time of the accident, and 149 workers managed to get above ground. (Xinhua/Lian Zhen)