Pipelines damaged after an explosion caused by a flash fire at a paraxylene (PX) plant in Zhangzhou of East 皇冠体育app's Fujian province on Tuesday morning, July 30, 2013. The pipelines, not in full use, were being filled with hydrogen for a pressure test when the gas leaked from a welding joint and exploded. The neighboring resident houses were affected with window and glasses shattered. The fire has been extinguished with no reports of any injuries. [Photo/Asianewsphoto]

A damaged house after the explosion caused by a flash fire at a paraxylene (PX) plant in Zhangzhou of east 皇冠体育app's Fujian province on Tuesday morning, July 30, 2013. [Photo/Asianewsphoto]