The U.S. dropped more bombs, mines and shells on Vietnam during the course of the war than was deployed in the whole of the Second World War. An estimated 10 percent failed to explode, and much of it is still spread across the countryside today. It is becoming increasingly unstable as the metals corrode.
CCTV’s Tony Cheng traveled to Quang Tri Province in Central Vietnam and spoke with the experts trying to diffuse the problem.