Kim Yo Jong, center, sister of North Korean leader Kim Jong Un, arrives at Incheon International Airport in South Korea on Friday, February 9. Kim is part of a high-level North Korean delegation attending the PyeongChang Winter Olympics. She's the first member of the Kim family to visit South Korea since the 1950-53 Korean War.
Kim Yo Jong, center, sister of North Korean leader Kim Jong Un, arrives at Incheon International Airport in South Korea on Friday, February 9. Kim is part of a high-level North Korean delegation attending the PyeongChang Winter Olympics. She's the first member of the Kim family to visit South Korea since the 1950-53 Korean War.
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Ryom Tae Ok (L) and Kim Ju Sik of North Korea practice at the Gangneung Ice Arena on February 8, 2018, ahead of the pairs figure skating competition of the Pyeongchang 2018 Winter Olympic Games.
Ryom Tae Ok (L) and Kim Ju Sik of North Korea practice at the Gangneung Ice Arena on February 8, 2018, ahead of the pairs figure skating competition of the Pyeongchang 2018 Winter Olympic Games.
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Members of the North Korea cheering group gather before a welcoming ceremony inside the Gangneung Olympic Village before the 2018 Winter Olympics.
Members of the North Korea cheering group gather before a welcoming ceremony inside the Gangneung Olympic Village before the 2018 Winter Olympics.
Felipe Dana/AP
North Korean athletes look on during the welcoming ceremony ahead of the PyeongChang 2018 Winter Olympic Games.
North Korean athletes look on during the welcoming ceremony ahead of the PyeongChang 2018 Winter Olympic Games.
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North Korea's Vice Sports Minister Won Gil-woo signs the Welcome Wall ahead of the PyeongChang 2018 Winter Olympic Games.
North Korea's Vice Sports Minister Won Gil-woo signs the Welcome Wall ahead of the PyeongChang 2018 Winter Olympic Games.
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North Korea's Won Kil U offers a gift during a welcoming ceremony for North Korea's athletes.
North Korea's Won Kil U offers a gift during a welcoming ceremony for North Korea's athletes.
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North Korea's figure skater Ryom Tae Ok (C) stands with her teammates at the athletes village of the 2018 Pyeongchang Winter Olympic games.
North Korea's figure skater Ryom Tae Ok (C) stands with her teammates at the athletes village of the 2018 Pyeongchang Winter Olympic games.
ED JONES/AFP/Getty Images
North Korean cheering squads wave upon arriving at the Korean-transit office near the Demilitarized Zone on February 7, 2018 in Paju, South Korea.
North Korean cheering squads wave upon arriving at the Korean-transit office near the Demilitarized Zone on February 7, 2018 in Paju, South Korea.
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