Head of North Korean delegation Ri Son Gwon, Chairman of the Committee for the Peaceful Reunification of the Country (CPRC) of DPRK, shakes hands with South Korean official as he crosses the concrete border to attend their meeting at the truce village of Panmunjom in the demilitarised zone separating the two Koreas, South Korea, January 9, 2018. Yonhap via REUTERS