AP
South Korea's Kim Kyueun and Kam Alex Kang Chan, left, skate next to North Korea's Ryom Tae Ok and Kim Ju Sik during a Pairs Figure Skating training session prior to the 2018 Winter Olympics in Gangneung, South Korea, Monday, Feb. 5, 2018. (AP Photo/Felipe Dana)
North Korea's Kim Ju Sik, right, skates next to South Korea's Kim Kyueun, left, and Kam Alex Kang Chan during a Pairs Figure Skating training session prior to the 2018 Winter Olympics in Gangneung, South Korea, Monday, Feb. 5, 2018. (AP Photo/Felipe Dana)
South Korea's Kim Kyueun and Kam Alex Kang Chan, left, skate next to North Korea's Ryom Tae Ok and Kim Ju Sik during a Pairs Figure Skating training session prior to the 2018 Winter Olympics in Gangneung, South Korea, Monday, Feb. 5, 2018. (AP Photo/Felipe Dana)
North Korea's Ryom Tae Ok and Kim Ju Sik, center, practice next to South Korea's Kim Kyu-eun, front right, and Alex Kam during a pairs figure skating training session prior to the 2018 Winter Olympics in Gangneung, South Korea, Monday, Feb. 5, 2018. (AP Photo/Felipe Dana)