Decades after the Vietnam War, the U.S. works to detect undetonated landmines before they injure people
Red skull-and-crossbones markers dot the horizon in a barren patch of land in Vietnam where missteps could be fatal.
The signs warn of landmines and bombs, the legacy of a war with the United States that claims casualties even today, four decades after hostilities ceased in 1975.
The undetected bombs, called unexploded ordnance (UXO) has since killed 42,000 people and wounded 62,000 in Vietnam, according to official data. Three in every 10 casualties were children. ...