Kim Jung-sook (C), wife of South Korean President Moon Jae-in, talks with Ri Sol Ju (centre L), wife of North Korean leader Kim Jong Un, during a visit to the Kim Won-gyun Conservatory in Pyongyang on September 18, 2018 on the sidelines of the inter-Korean summit. South Korea’s president and the North’s leader Kim Jong Un drove through the streets of Pyongyang together past thousands of cheering citizens on September 18, ahead of a summit where Moon Jae-in will seek to reboot stalled denuclearisation talks between North Korea and the United States.