An old man of the South Korean separated families(L) leaves a hotel for a bus trip at Sokcho, South Korea, Aug. 20, 2018. A group of South Korean families separated by the 1950-53 Korean War from relatives living in the Democratic People's Republic of Korea (DPRK) left Monday morning for Mount Kumgang in southeast DPRK for rare reunions with their long-lost relatives. (Xinhua/Lee Sang-ho)