North Korea‘s figure skating pair Ryom Tae Ok, left, and Kim Ju Sik perform during an official training session during the ISU Four Continents Figure Skating Championships in Taipei, Taiwan, Tuesday, Jan. 23, 2018. (AP Photo/Chiang Ying-ying) <저작권자(c) 연합뉴스, 무단 전재-재배포 금지>