In this photo provided by South Korea Defense Ministry, South Korean army soldiers, wearing helmets, inspect at the dismantled North Korean guard post inside the Demilitarized Zone (DMZ) in the central section of the inter-Korean border in Cheorwon, Dec. 12, 2018. Dozens of soldiers from two countries crossed over the world's most heavily armed border Wednesday as they inspected the sites of their rival's front-line guard posts to verify they'd been removed. (Photo provided by South Korea Defense Ministry)
In this photo provided by South Korea Defense Ministry, South Korean army Col. Yun Myung-shick (right) shakes hands with North Korean army Lt. Col. Ri Jong Su before crossing the Military Demarcation Line inside the Demilitarized Zone (DMZ) to inspect the dismantled North Korean guard post in the central section of the inter-Korean border in Cheorwon, Dec. 12, 2018. Dozens of soldiers from two countries crossed over the world's most heavily armed border Wednesday as they inspected the sites of their rival's front-line guard posts to verify they'd been removed. (Photo provided by South Korea Defense Ministry)
In this photo provided by South Korea Defense Ministry, South Korean army soldiers, wearing helmets, prepare to cross the Military Demarcation Line as North Korean army soldiers stand inside the Demilitarized Zone (DMZ) to inspect the dismantled North Korean guard post in the central section of the inter-Korean border in Cheorwon, Dec. 12, 2018. Dozens of soldiers from two countries crossed over the world's most heavily armed border Wednesday as they inspected the sites of their rival's front-line guard posts to verify they'd been removed. (Photo provided by South Korea Defense Ministry)