Firefighters take part in a simulation exercise involving a leak of liquid ammonia at a meat processing company in Huaibei of East China's Anhui province, June 24. The drill was carried out together by the police, fire department and other emergency services. China's State Administration of Work Safety said about 10 chemical accidents this year have claimed 38 lives and injured 55, and most of the accidents were caused by inadequate working conditions. [Photo by Wan Shanchao/Asianewsphoto]