(FILES) In a file photo taken on July 27, 2017 South Korea and US soldiers stand guard during a commemorative ceremony for the 64th anniversary of the signing of the Korean War Armistice Agreement at the truce village of Panmunjom in the Demilitarized Zone (DMZ) dividing the two Koreas. - US President Donald Trump is widely expected to to visit the Demilitarized Zone that divides South Korea and the nuclear-armed North on June 30, 2019 as part of his trip to Seoul following the G20 meeting. The DMZ is the finishing line of the 1950-53 Korean War, where South Korean forces backed by a US-led UN coalition fought to a standstill with North Korean and Chinese troops. (Photo by Jung Yeon-je / POOL / AFP)