Graphic images – viewer discretion advised. 50 years after the US military intervention in the Vietnam War, the weapons it used continue to harm the local population. Unexploded mines still take lives and the consequences of Agent Orange claim new victims. A defoliant used by the US Air Force to destroy forests where Vietcong guerrilla fighters were taking cover, Agent Orange is highly toxic to humans. The chemical not only severely harmed the health of those immediately exposed to it, but also led to birth defects in subsequent generations. Its impact is still being felt in Vietnam, where it is estimated that around 5 million people are suffering from its damaging effects. They call it their orange pain.