In this Friday July 16, 2010, photo released by China's Xinhua news agency, firefighters work at the oil pipeline blast site in Dalian, a port city in northeast China's Liaoning province. Xinhua said blasts hit two oil pipelines in Dalian on Friday. (AP Photo/Xinhua, Cai Yongjun)

Photo by: Cai Yongjun

In this Friday July 16, 2010, photo released by China's Xinhua news agency, firefighters work at the oil pipeline blast site in Dalian, a port city in northeast China's Liaoning province. Xinhua said blasts hit two oil pipelines in Dalian on Friday. (AP Photo/Xinhua, Cai Yongjun)