Photo taken on May 11, 2013 shows the site of a gas accident in a colliery in Luzhou, southwest China's Sichuan Province. The accident occurred around 2 p.m. in Taozigou coal mine, Luxian County in the city of Luzhou when 108 miners were working underground. By 7:30 p.m., one has died and 37 still trapped underground. (Xinhua/Luo Guanglian)