A view of the mountains where members of the international landmine clearance charity HALO Trust search for landmines, in Carmen de Viboral, Colombia July 15, 2021. Picture taken July 15, 2021. REUTERS/Santiago Mesa

Students play during a workshop with members of the international landmine clearance charity HALO Trust who teach children how to identify anti-personnel mines, in Carmen de Viboral, Colombia July 14, 2021. Picture taken July 14, 2021. REUTERS/Santiago Mesa

Bridny Lopez, 6, looks at cards during a workshop with members of the international landmine clearance charity HALO Trust who teach children how to identify anti-personnel mines, in Carmen de Viboral, Colombia July 14, 2021. Picture taken July 14, 2021. REUTERS/Santiago Mesa

Students identify possible locations of anti-personnel mines during a workshop with members of the international landmine clearance charity HALO Trust who teach children how to identify anti-personnel mines, in Carmen de Viboral, Colombia July 14, 2021. Picture taken July 14, 2021. REUTERS/Santiago Mesa

Students identify possible locations of anti-personnel mines during a workshop with members of the international landmine clearance charity HALO Trust who teach children how to identify anti-personnel mines, in Carmen de Viboral, Colombia July 14, 2021. Picture taken July 14, 2021. REUTERS/Santiago Mesa

Members of the international landmine clearance charity HALO Trust prepare to search for areas with landmines, in Carmen de Viboral, Colombia July 14, 2021. Picture taken July 14, 2021. REUTERS/Santiago Mesa REFILE - CORRECTING DATE

William Marquez of the international landmine clearance charity HALO Trust searches for an anti-personnel mine, in Carmen de Viboral, Colombia July 14, 2021. Picture taken July 14, 2021. REUTERS/Santiago Mesa

Students and members of the international landmine clearance charity HALO Trust who are teaching children how to identify anti-personnel mines, gather outside the classroom, in Carmen de Viboral, Colombia July 14, 2021. Picture taken July 14, 2021. REUTERS/Santiago Mesa

Santiago Cardona, 6, looks at cards during a workshop with members of the international landmine clearance charity HALO Trust who are teaching children how to identify anti-personnel mines, in Carmen de Viboral, Colombia July 14, 2021. Picture taken July 14, 2021. REUTERS/Santiago Mesa

William Marquez (R) of the international landmine clearance charity HALO Trust, deactivates an anti-personnel mine, in Carmen de Viboral, Colombia July 14, 2021. Picture taken July 14, 2021. REUTERS/Santiago Mesa

Members of the international landmine clearance charity HALO Trust teach children how to identify anti-personnel mines, in Carmen de Viboral, Colombia July 14, 2021. Picture taken July 14, 2021. REUTERS/Santiago Mesa

A member of the international landmine clearance charity HALO Trust holds a piece of a deactivated anti-personnel mine, in Carmen de Viboral, Colombia July 14, 2021. Picture taken July 14, 2021. REUTERS/Santiago Mesa

William Marquez of the international landmine clearance charity HALO Trust deactivates an anti-personnel mine, in Carmen de Viboral, Colombia July 14, 2021. Picture taken July 14, 2021. REUTERS/Santiago Mesa

Members of the international landmine clearance charity HALO Trust search for areas with landmines, in Carmen de Viboral, Colombia July 14, 2021. Picture taken July 14, 2021. REUTERS/Santiago Mesa

Members of the international landmine clearance charity HALO Trust search for areas with landmines, in Carmen de Viboral, Colombia July 14, 2021. Picture taken July 14, 2021. REUTERS/Santiago Mesa

Members of the international landmine clearance charity HALO Trust ride horses while searching for areas with landmines, in Carmen de Viboral, Colombia July 14, 2021. Picture taken July 14, 2021. REUTERS/Santiago Mesa

Farmer Walter Lopez, 48, is fitted with protective gear before showing members of the international landmine clearance charity HALO Trust areas where he believes anti-personnel mines could have been planted, in Carmen de Viboral, Colombia July 13, 2021. Picture taken July 13, 2021. REUTERS/Santiago Mesa

Members of the international landmine clearance charity HALO Trust search for areas with landmines, in Carmen de Viboral, Colombia July 13, 2021. Picture taken July 13, 2021. REUTERS/Santiago Mesa

Members of the international landmine clearance charity HALO Trust search for areas with landmines, in Carmen de Viboral, Colombia July 13, 2021. Picture taken July 13, 2021. REUTERS/Santiago Mesa

Members of the international landmine clearance charity HALO Trust search for areas with landmines, in Carmen de Viboral, Colombia July 13, 2021. Picture taken July 13, 2021. REUTERS/Santiago Mesa

Members of the international landmine clearance charity HALO Trust and a farmer tie up a dog to keep it safe as they search for landmines, in Carmen de Viboral, Colombia July 13, 2021. Picture taken July 13, 2021. REUTERS/Santiago Mesa

A mine detection rat sniffs for landmines in an area being demined in Preah Vihear province, Cambodia, June 11, 2021. Picture taken June 11, 2021. REUTERS/Cindy Liu

A landmine found in an area is seen in Preah Vihear province, Cambodia, June 11, 2021. Picture taken June 11, 2021. REUTERS/Cindy Liu

A mine detection rat sniffs for landmines in an area being demined in Preah Vihear province, Cambodia, June 11, 2021. Picture taken June 11, 2021. REUTERS/Cindy Liu

Magawa, the recently retired mine detection rat, plays with his previous handler So Malen at the APOPO Visitor Center in Siem Reap, Cambodia, June 10, 2021. Picture taken June 10, 2021. REUTERS/Cindy Liu

Magawa, the recently retired mine detection rat, plays with its previous handler So Malen at the APOPO Visitor Center in Siem Reap, Cambodia, June 10, 2021. Picture taken June 10, 2021. REUTERS/Cindy Liu

Magawa, the recently retired mine detection rat, eats corn at the APOPO Visitor Center in Siem Reap, Cambodia, June 10, 2021. Picture taken June 10, 2021. REUTERS/Cindy Liu

Mine detection rats are seen in their transport cages before working in an area being demined in Preah Vihear province, Cambodia, June 11, 2021. Picture taken June 11, 2021. REUTERS/Cindy Liu

Magawa, the recently retired mine detection rat, is seen in its cage at the APOPO Visitor Center in Siem Reap, Cambodia, June 10, 2021. Picture taken June 10, 2021. REUTERS/Cindy Liu

Magawa, the recently retired mine detection rat, eats fruits and vegetables at the APOPO Visitor Center in Siem Reap, Cambodia, June 10, 2021. Picture taken June 10, 2021. REUTERS/Cindy Liu

Magawa, the recently retired mine detection rat, plays with its previous handler So Malen at the APOPO Visitor Center in Siem Reap, Cambodia, June 10, 2021. Picture taken June 10, 2021. REUTERS/Cindy Liu

A handler carries mine detection rats in their transport cages to work in an area being demined in Preah Vihear province, Cambodia, June 11, 2021. Picture taken June 11, 2021. REUTERS/Cindy Liu

Handlers carry mine detection rats in their transport cages to work in an area being demined in Preah Vihear province, Cambodia, June 11, 2021. Picture taken June 11, 2021. REUTERS/Cindy Liu

Magawa, the recently retired mine detection rat, is seen in its cage at the APOPO Visitor Center in Siem Reap, Cambodia, June 10, 2021. Picture taken June 10, 2021. REUTERS/Cindy Liu

Handlers apply sunscreen on mine detection rats in preparation to work in an area being demined in Preah Vihear province, Cambodia, June 11, 2021. Picture taken June 11, 2021. REUTERS/Cindy Liu

Magawa, the recently retired mine detection rat, plays with its previous handler So Malen at the APOPO Visitor Center in Siem Reap, Cambodia, June 10, 2021. Picture taken June 10, 2021. REUTERS/Cindy Liu

Women participate in efforts to clear landmines in Basra, Iraq March 27, 2021. Picture taken March 27, 2021. REUTERS/Mohammed Aty. NO RESALES. NO ARCHIVES.

A specialist trainer explains to women as they participate in efforts to clear landmines in Basra, Iraq March 27, 2021. Picture taken March 27, 2021. REUTERS/Mohammed Aty. NO RESALES. NO ARCHIVES.

Women participate in efforts to clear landmines in Basra, Iraq March 27, 2021. Picture taken March 27, 2021. REUTERS/Mohammed Aty. NO RESALES. NO ARCHIVES.

Women participate in efforts to clear landmines in Basra, Iraq March 27, 2021. Picture taken March 27, 2021. REUTERS/Mohammed Aty. NO RESALES. NO ARCHIVES.

Custodian of the Holy Land Father Francesco Patton attends a mass at the Franciscan Church that was reopened after landmines were removed at the Qasr el-Yahud site, near Jericho, in the Israeli-occupied West Bank, January 10, 2021. REUTERS/Ammar Awad

Worshippers attend a mass at the Franciscan Church that was reopened after landmines were removed at the Qasr el-Yahud site, near Jericho, in the Israeli-occupied West Bank, January 10, 2021. REUTERS/Ammar Awad

Worshippers attend a mass at the Franciscan Church that was reopened after landmines were removed at the Qasr el-Yahud site, near Jericho, in the Israeli-occupied West Bank, January 10, 2021. REUTERS/Ammar Awad

Worshippers attend a mass at the Franciscan Church that was reopened after landmines were removed at the Qasr el-Yahud site, near Jericho, in the Israeli-occupied West Bank, January 10, 2021. REUTERS/Ammar Awad

Abdul Rahman al-Arifi, 25, shows his wounds, which are caused by a landmine explosion in Tripoli, Libya October 22, 2020. Picture taken October 22, 2020. REUTERS/Hazem Ahmed

Abdul Rahman al-Arifi, 25, shows his wounds, which are caused by a landmine explosion in Tripoli, Libya October 22, 2020. Picture taken October 22, 2020. REUTERS/Hazem Ahmed

Hoang Thi Hoa, who lost both legs and an arm due to unexploded ordnance (UXO) during the Vietnam War, is assisted by her daughter Nguyen Thi Ha Lan, a member of all-female landmines clearance team, at their house in Quang Tri province, Vietnam March 4, 2020. Picture taken March 4, 2020. REUTERS/Kham

Tran Hoang Yen, a member of all-female landmines clearance team, detects unexploded ordnances on a field in Quang Tri province, Vietnam March 4, 2020. Picture taken March 4, 2020. REUTERS/Kham

Members of all-female landmines clearance team listen to their captain before their morning work at a bombs and landmines exhibition in Quang Tri province, Vietnam March 4, 2020. Picture taken March 4, 2020. REUTERS/Kham

Members of all-female landmines clearance team search for unexploded ordnances on a field in Quang Tri province, Vietnam March 4, 2020. Picture taken March 4, 2020. REUTERS/Kham

Hoang Thi Hoa (L), who lost both legs and an arm due to unexploded ordnance (UXO) during the Vietnam War, and her daughter Nguyen Thi Ha Lan, a member of all-female landmines clearance team, talk at their house in Quang Tri province, Vietnam March 4, 2020. Picture taken March 4, 2020. REUTERS/Kham

Captain Nguyen Thi Thuy of all-female landmines clearance team carries boxes of detonators to destroy unexploded ordnances found on a field in Quang Tri province, Vietnam March 4, 2020. Picture taken March 4, 2020. REUTERS/Kham

Members of all-female landmines clearance team get ready for their work on a field in Quang Tri province, Vietnam March 4, 2020. Picture taken March 4, 2020. REUTERS/Kham

Members of all-female landmines clearance team sit under the shadow of a tree for their lunch on a field in Quang Tri province, Vietnam March 4, 2020. Picture taken March 4, 2020. REUTERS/Kham

Members of all-female landmines clearance team walk past the shells of U.S. military bombs used during Vietnam War, at a bombs and landmines exhibition in Quang Tri province, Vietnam March 4, 2020. Picture taken March 4, 2020. REUTERS/Kham

A member of all-female landmines clearance team prepares equipment for their work on a field in Quang Tri province, Vietnam March 4, 2020. Picture taken March 4, 2020. REUTERS/Kham

Captain Nguyen Thi Thuy of all-female landmines clearance team marks detected zones on a map of Hai Lang district, near a former U.S military base used during Vietnam War, in Quang Tri province, Vietnam March 4, 2020. Picture taken March 4, 2020. REUTERS/Kham

Members of all-female landmines clearance team search for unexploded ordnances on a field in Quang Tri province, Vietnam March 4, 2020. Picture taken March 4, 2020. REUTERS/Kham

A member of all-female landmines clearance team searches for unexploded ordnances on a field in Quang Tri province, Vietnam March 4, 2020. Picture taken March 4, 2020. REUTERS/Kham