
Woo Sang-hyun (R), head of W Hospital, raises the transplanted arm of Sohn Jin-wook during a press conference on the first anniversary of the successful transplant at the hospital in Daegu, 302 km southeast of Seoul, on Feb. 2, 2018. Woo performed the country’s first arm transplant a year ago. (Yonhap)

The North Korean national flag (C) is hoisted at the athletes’ village for the PyeongChang Olympics in Gangneung, Gangwon Province, on Feb. 1, 2018. (Yonhap)

A group of soldiers enjoys a game at Inje Ice Fishing Festival on the frozen Soyang Lake in Inje, Gangwon Province, on Jan. 31, 2018. (Yonhap)

This January 2017 file photo shows former White House official Victor Cha giving a lecture during a seminar in Seoul. The United States has withdrawn Cha from consideration for ambassador to South Korea, a U.S. official said on Jan. 30, 2018. The U.S. decision came after the Washington Post earlier reported that Cha had expressed disagreement with the Trump administration’s consideration of a limited military strike on North Korea, as well as its threats to terminate a bilateral free trade agreement with South Korea. (Yonhap)

A birthday party takes place for North Korean ice hockey players at the national training center in Jincheon, some 90 kilometers southeast of Seoul, on Jan. 28, 2018, in this photo provided by the Korean Sport & Olympic Committee the next day. South and North Korea have decided to field a joint women’s team for the Feb. 9-25 PyeongChang Winter Olympics. (Yonhap)

This photo, taken on Jan. 29, 2018, shows an Olympic hospitality house for Switzerland being built at Yongpyong Resort in the northeastern alpine county of PyeongChang. Several nations participating in the Feb. 9-25 PyeongChang Winter Olympics will operate Olympic hospitality houses during the competition. Run by national Olympic committees or corporate sponsors, these hospitality houses will promote countries’ cultures and specialty foods. (Yonhap)

Despite freezing temperatures, two Marines stand guard at a border sentry post in Gimpo, west of Seoul, on Jan. 26, 2018, in this photo provided by the Marine Corps. (Yonhap)

The defense ministers of South Korea and the United States are shown in this picture, provided by Seoul’s defense ministry, on Jan. 27, 2018, walking to the venue for a summit, in the U.S. Pacific Command in Honolulu, Hawaii. (Yonhap)

South Korean Oceans Minister Kim Young-choon (C) attends a ceremony at the King Sejong Station on King George Island, near the northern part of the Antarctic, on Jan. 23, 2018, to bury a time capsule to celebrate the 30th anniversary of the country’s first polar research institute in the continent, in this photo released by the maritime ministry. Members of the King Sejong Station sealed their personal belongings, equipment and photos in the time capsule, which will be opened 70 years later to mark the base’s centennial. (Yonhap)

A group of new cadets receive basic military training at the Armed Forces Nursing Academy in the central city of Daejeon on Jan. 22, 2018, with an assistant instructor watching them. (Yonhap)