landmines

An international sign warning about mines hangs beside a minefield at Bagram Air Base in Afghanistan in 2002. Mikhail Metzel/AP hide caption

Amelia Ngola, 30, marks out the location of a suspected landmine before beginning to excavate the area in a minefield in Benguela province, Angola. The first step is to dig down and find out if it was a mine that set off her mine detector or something else — say, a rusty soda can or an old bullet casing. If it is indeed a mine, then it will be marked with stakes and signs until it's destroyed. Tommy Trenchard for NPR hide caption

The coffins of the victims in Tuesday's attack are placed on the ground at a hospital in northern Baghlan province, Afghanistan, on Wednesday. Workers of the HALO Trust demining organization were attacked on Tuesday night by armed gunmen. Mehrab Ibrahimi/AP hide caption

Smoke rises after South Korean soldiers set a blast to remove land mines in the Demilitarized Zone in 2002. The Korean Peninsula had been the last region the U.S. military was allowed to use the weapon — until Friday, when the Trump administration lifted the Obama-era restriction. Yun Jai-Hyoung/AP hide caption

One of several landmines that were planted by the Syrian army on the border with Lebanon and later removed by anti-Assad activists. AFP/Getty Images hide caption