Lee Hee-Beom, president of the PyeongChang Organising Committee for the 2018 Olympic Games (POCOG), holds the PyeongChang 2018 Olympic gold medal during its unveiling ceremony in Seoul on September 21, 2017. The Olympic Winter Games PyeongChang 2018 medals were officially unveiled on September 21, with features of the Korean alphabet consonants on their bodies. / AFP PHOTO / JUNG Yeon-Je

Lee Hee-Beom, president of the PyeongChang Organising Committee for the 2018 Olympic Games (POCOG), speaks during the unveiling of the PyeongChang 2018 Olympic medal in Seoul on September 21, 2017. The Olympic Winter Games PyeongChang 2018 medals were officially unveiled on September 21, with features of the Korean alphabet consonants on their bodies. / AFP PHOTO / JUNG Yeon-Je

Medals for the 2018 Pyeongchang Winter Olympics are unveiled during an event in Seoul on Sept. 21, 2017. (Kyodo) ==Kyodo

Medals for the 2018 Pyeongchang Winter Olympics are unveiled during an event in Seoul on Sept. 21, 2017. (Kyodo) ==Kyodo

Medals of the 2018 PyeongChang Winter Olympics, Sep 21, 2017 : Athletes show medals of the 2018 PyeongChang Winter Olympics at an unveiling ceremony in Seoul, South Korea. The XXIII Olympic Winter Games will be held in PyeongChang, about 180 km (112 miles) east of Seoul for 17 days from February 9-25, 2018. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

Gold medal of the 2018 PyeongChang Winter Olympics, Sep 21, 2017 : A gold medal of the 2018 PyeongChang Winter Olympics is seen at an unveiling ceremony in Seoul, South Korea. The XXIII Olympic Winter Games will be held in PyeongChang, about 180 km (112 miles) east of Seoul for 17 days from February 9-25, 2018. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

Medals of the 2018 PyeongChang Winter Olympics, Sep 21, 2017 : Athletes show medals of the 2018 PyeongChang Winter Olympics at an unveiling ceremony in Seoul, South Korea. The XXIII Olympic Winter Games will be held in PyeongChang, about 180 km (112 miles) east of Seoul for 17 days from February 9-25, 2018. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

Lee Suk-woo, Sep 21, 2017 : South Korean industrial designer Lee Suk-woo speaks at an unveiling ceremony for the medals of the 2018 PyeongChang Winter Olympics in Seoul, South Korea. Lee designed the medals. The XXIII Olympic Winter Games will be held in PyeongChang, about 180 km (112 miles) east of Seoul for 17 days from February 9-25, 2018. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

Lee Hee-beom, Sep 21, 2017 : President of the PyeongChang Organizing Committee for the 2018 Olympic and Paralympic Winter Games, Lee Hee-beom attends an unveiling ceremony for the medals of the 2018 PyeongChang Winter Olympics in Seoul, South Korea. The XXIII Olympic Winter Games will be held in PyeongChang, about 180 km (112 miles) east of Seoul for 17 days from February 9-25, 2018. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

Medals of the 2018 PyeongChang Winter Olympics, Sep 21, 2017 : Athletes show medals of the 2018 PyeongChang Winter Olympics at an unveiling ceremony in Seoul, South Korea. The XXIII Olympic Winter Games will be held in PyeongChang, about 180 km (112 miles) east of Seoul for 17 days from February 9-25, 2018. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

Silver medal of the 2018 PyeongChang Winter Olympics, Sep 21, 2017 : A silver medal of the 2018 PyeongChang Winter Olympics is seen at an unveiling ceremony in Seoul, South Korea. The XXIII Olympic Winter Games will be held in PyeongChang, about 180 km (112 miles) east of Seoul for 17 days from February 9-25, 2018. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

Bronze medal of the 2018 PyeongChang Winter Olympics, Sep 21, 2017 : A bronze medal of the 2018 PyeongChang Winter Olympics is seen at an unveiling ceremony in Seoul, South Korea. The XXIII Olympic Winter Games will be held in PyeongChang, about 180 km (112 miles) east of Seoul for 17 days from February 9-25, 2018. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

Lee Hee-beom, Sep 21, 2017 : President of the PyeongChang Organizing Committee for the 2018 Olympic and Paralympic Winter Games, Lee Hee-beom attends an unveiling ceremony for the medals of the 2018 PyeongChang Winter Olympics in Seoul, South Korea. The XXIII Olympic Winter Games will be held in PyeongChang, about 180 km (112 miles) east of Seoul for 17 days from February 9-25, 2018. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

Medals of the 2018 PyeongChang Winter Olympics, Sep 21, 2017 : Athletes show medals of the 2018 PyeongChang Winter Olympics at an unveiling ceremony in Seoul, South Korea. The XXIII Olympic Winter Games will be held in PyeongChang, about 180 km (112 miles) east of Seoul for 17 days from February 9-25, 2018. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

Medals of the 2018 PyeongChang Winter Olympics, Sep 21, 2017 : Athletes show medals of the 2018 PyeongChang Winter Olympics at an unveiling ceremony in Seoul, South Korea. The XXIII Olympic Winter Games will be held in PyeongChang, about 180 km (112 miles) east of Seoul for 17 days from February 9-25, 2018. (Photo by Lee Jae-Won/AFLO) (SOUTH KOREA)

Medals for the 2018 Pyeongchang Winter Olympics are unveiled during an event in Seoul on Sept. 21, 2017. (Kyodo) ==Kyodo

Medals for the 2018 Pyeongchang Winter Olympics are unveiled during an event in Seoul on Sept. 21, 2017. (Kyodo) ==Kyodo