Firefighters try to put out fire following an explosion at the refinery of Sinopec Yangzi Petrochemical Co. in Nanjing, East China’s Jiangsu province, April 21, 2015. One person was slightly injured and the fire was under control, according to the company’s spokesperson Sun Pingchu. In June 2014, crude oil tanks at the refinery also exploded, leading to fire of nearly 30 hours. (Photo: China News Service/Han Dan)
