A policeman supervises as a bulldozer moves a bomb uncovered at a construction site in Xuchang, in central China's Henan province, July 25, 2009. Local police said that the bomb, which is 1.6 meters long and weighs 300 kg, was dropped by the Japanese forces during World War II. The bomb can cause great harm if exploded and has been moved to a safe place for disposal, said the police. [Xinhua]