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Lee Hee-beom, president of the PyeongChang Organizing Committee for the 2018 Olympic and Paralympic Winter Games (POCOG), Democratic People's Republic of Korea (DPRK)'s Olympic Committee President and Sports Minister Kim Il Guk, South Korea's Sports Minister Do Jong-hwan and International Olympic Committee (IOC) President Thomas Bach (From L to R) attend a signing ceremony after a four-party meeting at the IOC headquarter in Lausanne, Switzerland, Jan. 20, 2018. (Xinhua/Xu Jinquan)