Photo taken on Sept. 9, 2014 shows the scene of the press conference held by the Jiemeifengyou Chemical Plant in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, Sept. 9, 2014. The ammonia gas leak accident that occured on Sunday afternoon injured 49 people, among whom 33 showed poisoning symptoms and four people were seriously poisoned. (Xinhua/Peng Zhaozhi) |