Rescuers work at the accident site where an expressway bridge partially collapsed due to a truck explosion in Mianchi County, Sanmenxia, central China&amp;#39;s Henan Province, Thursday, Feb. 1, 2013. A truckload of fireworks intended for Lunar New Year celebrations went off Friday in a massive, deadly explosion that destroyed part of an elevated highway in central China, sending vehicles plummeting 30 meters (about 100 feet) to the ground. (AP Photo)