During the ten years of the Vietnam War, US forces dropped around 7500 tons of the chemical defoliant Agent Orange which seeped deep into Vietnam's soil and finally gave rise to many seriously deformed children, particularly in central Vietnam where Agent Orange was most heavily used. In Quang Tri Province alone, since the war 6000 deformed children have been born.
十年越戰，美國投下約七千五百噸枯木劑，深入越南土壤，最終造成一個又一個的嚴重畸形兒，特別是受到攻擊最嚴重的中越地區，光是廣治省，戰後就有六千個畸形兒出生。