PYEONGCHANG, South Korea (AFP) — More than 500 North Koreans are converging on Pyeongchang in South Korea for the 2018 Olympics, in a historic cross-border exchange between two countries still technically at war. AFP looks at what we know so far about the visitors from the isolated, nuclear-armed state. Kim’s sister The sister of North Korean leader Kim Jong Un will visit South Korea for Friday’s Pyeongchang Winter Olympics opening ceremony and meet with South […]