CHANGCHUN, CHINA - OCTOBER 12: (CHINA OUT) A fuel tanker explodes in a simulated crash with a coach during a public emergency drill held by emergency services at Yitonghe Metro Railway Station on October 12, 2007 in Changchun of Jilin Province, China. Over 500 staff from the fire fighting department, provincial and city emergency response coordination offices and other related departments attended the drill, which involved them in scenarios of explosion, fire, building collapse and chlorine leakage, in an effort to improve their ability to handle such emergency incidents. (Photo by China Photos/Getty Images)