South Korean President Moon Jae-in, left, shakes hands with Ri Son Gwon, chairman of the North Korea’s agency that deals with inter-Korean affairs, as Kim Yo Jong, right, sister of North Korean leader Kim Jong Un, and Kim Yong Nam, North Korea’s nominal head of state, stand during a meeting at the presidential house in Seoul, South Korea, Saturday, Feb. 10, 2018. President Moon on Saturday met with the senior North Korean officials over lunch at Seoul’s presidential palace in the most significant diplomatic encounter between the rivals in years.(Kim Ju-sung/Yonhap via AP)