共同警備区域
On 1 October 2018, North and South Korean military engineers began a scheduled 20 day removal process of landmines and other explosives planted across the DMZ's Joint Security Area of the (DMZ). Work to remove landmines from the Joint Security Area was completed on 25 October 2018. Demining had begun at the DMZ's Arrowhead Hill and resulted in the discovery of Korean War remains. Work between both Koreas to remove landmines from Arrowhead Hill was completed on 30 November 2018.