North Korean Army Lt. Colonel Hwang Myong Jin wears a pin of late North Korean leaders Kim Il Sung and his son Kim Jong Il while explaining the history of the truce village at the Demilitarized Zone (DMZ) which separates the two Koreas in Pammunjom, North Korea, Wednesday, June 20, 2018. Hwang who has been a guide on the northern side of the Demilitarized Zone that divides the two Koreas for five years says that since the summits between North Korean leader Kim Jong Un and the presidents of South Korea and the United States, things have quieted down noticeably in perhaps the most iconic symbol of the one last place on Earth where the Cold War still burns hot. (Dita Alangkara/AP)
A South Korean building complex is seen in the background as North Korean soldiers guard the truce village at the Demilitarized Zone (DMZ) which separates the two Koreas in Panmunjom, North Korea, Wednesday, June 20, 2018. A tour guide Hwang Myong Jin, on the northern side of the Demilitarized Zone that divides the two Koreas, says that since the summits between North Korean leader Kim Jong Un and the presidents of South Korea and the United States, things have quieted down noticeably in perhaps the most iconic symbol of the one last place on Earth where the Cold War still burns hot. (Dita Alangkara/AP)
The South Korean buildings are seen in the background as North Korean soldiers stand guard at the truce village at the Demilitarized Zone (DMZ) which separates the two Koreas in Panmunjom, North Korea, Wednesday, June 20, 2018. (Dita Alangkara/AP)
A North Korean soldier marches at the truce village at the Demilitarized Zone (DMZ) which separates the two Koreas in Panmunjom, North Korea, Wednesday, June 20, 2018. Since the summits between North Korean leader Kim Jong Un and the presidents of South Korea and the United States, things have quieted down noticeably in perhaps the most iconic symbol of the one last place on Earth where the Cold War still burns hot. (Dita Alangkara/AP)
North Korean soldiers stand guard at the truce village at the Demilitarized Zone (DMZ) which separates the two Koreas in Panmunjom, North Korea, Wednesday, June 20, 2018. (Dita Alangkara/AP)
North Korean soldiers stand guard at the truce village of Panmunjom at the Demilitarized Zone (DMZ) which separates the two Koreas in Panmunjom, North Korea, Wednesday, June 20, 2018. (Dita Alangkara/AP)
Chinese tourists have their photos taken outside the museum of the armistice agreement between North and South Korea at the truce village of Panmunjom at the Demilitarized Zone (DMZ) which separates the two Koreas in Panmunjom, North Korea, Wednesday, June 20, 2018. (Dita Alangkara/AP)
North Korean Army Lt. Colonel Hwang Myong Jin stands inside the museum of the armistice agreement between North and South Korea at the truce village at the Demilitarized Zone (DMZ) which separates the two Koreas in Panmunjom, North Korea, Wednesday, June 20, 2018. Hwang, who has been a guide on the northern side of the Demilitarized Zone that divides the two Koreas for five years, says that since the summits between North Korean leader Kim Jong Un and the presidents of South Korea and the United States, things have quieted down noticeably in perhaps the most iconic symbol of the one last place on Earth where the Cold War still burns hot. (Dita Alangkara/AP)
A North Korean soldier is silhouetted in the background while the national flag is displayed at the museum of the armistice agreement between North and South Korea at the truce village of Panmunjom at the Demilitarized Zone (DMZ) which separates the two Koreas in Panmunjom, North Korea, Wednesday, June 20, 2018. (Dita Alangkara/AP)