A South Korean K1A1 tank fires during a Warrior Shield live fire exercise at a military training field in Pocheon on March 22, 2023, as part of the Freedom Shield joint military exercise. South Korea and the United States kicked off the Freedom Shield joint military exercise, their largest drills in five years, which will run for 10 days from March 13, 2023 as part of the allies drive to counter North Korea's growing threats. (Photo by Jung Yeon-je/AFP Photo)





Taekwondo practitioners perform during a demonstration event at Gwanghwamun Square in Seoul on March 25, 2023. The event, which involved more than 10,000 participants including children, is expected to set a new Guinness world record with their simultaneous taekwondo display. (Photo by Jung Yeon-je/AFP Photo)





Taekwondo practitioners perform during a demonstration event at Gwanghwamun Square in Seoul on March 25, 2023. The event, which involved more than 10,000 participants including children, is expected to set a new Guinness world record with their simultaneous taekwondo display. (Photo by Jung Yeon-je/AFP Photo)





South Korean Marine's amphibious assault vehicles sail to shores in a smoke screen for landing during the combined military amphibious landing exercise between South Korea and the U.S, called Ssangyong exercise, in Pohang, South Korea, Wednesday, March 29, 2023. (Photo by Lee Jin-man/AP Photo)





An anti-war activist holds up a sign “Stop war exercise, Go home” in front of a South Korean marine taking a position during a U.S and South Korea marine corps combined amphibious landing drill called the “Ssangyong” exercise, in Pohang, South Korea on March 29, 2023. (Photo by Kim Hong-Ji/Reuters)





People ride on Gyro Drop seen through cherry blossoms in full bloom at a park in Seoul, South Korea, Thursday, March 30, 2023. (Phoot by Ahn Young-joon/AP Photo)





People take photos under a shower of cherry blossoms in full bloom at a park in Seoul, South Korea, Sunday, April 2, 2023. (Photo by Ahn Young-joon/AP Photo)





Tourists wearing Hanbok, a Korean traditional dress, take pictures during a visit at the Gyeongbokgung Palace in Seoul, South Korea, 30 March 2023. Gyeongbokgung, the main palace of the Joseon dynasty, has been used as a setting for numerous films and TV dramas and it has become a mecca for Korean Wave tourism. (Photo by Jeon Heon-Kyun/EPA/EFE/Rex Features/Shutterstock)





Women enjoy a sunny spring day under blooming cherry blossoms at a park in Seoul, South Korea on March 30, 2023. (Photo by Kim Hong-Ji/Reuters)





This picture taken on April 2, 2023 shows people watching as a helicopter douses a wildfire on Mount Inwang in Seoul. (Photo by Yonhap via AFP Photo)





Workers cut the grass at the Geonwonneung tomb of King Taejo, founder of the Joseon Dynasty (1392-1910), in Guri, just east of Seoul, South Korea, on 06 April 2023, marking the Hansik holiday, or the 105th day after the winter solstice. On this day, many Koreans visit their ancestors' tombs to clean them. (Photo by Yonhap/EPA)





Participants carrying a character balloon march near the Gwanghwamun, one of South Korea's well-known landmarks, during the Easter parade in Seoul, South Korea, Sunday, April 9, 2023. (Photo by Lee Jin-man/AP Photo)





Firefighters work to extinguish a fire in Gangneung, South Korea, Tuesday, April 11, 2023. Hundreds of South Koreans were forced to evacuate Tuesday after a wildfire fueled by strong winds burned parts of the eastern coastal city, destroying dozens of homes. (Photo by You Hyung-jae/Yonhap via AP Photo)





A view shows buildings being burnt down by wildfire in Gangneung, South Korea on April 11, 2023. (Photo by Yonhap via Reuters)





A woman evacuates from the smoke rising from a wildfire in Gangneung, South Korea on April 11, 2023. (Photo by Yonhap via Reuters)





A handout photo made available by South Korean Air Force shows a KC-330 aerial tanker (C) of the South Korean Air Force flying along with F-15K and KF-16 jet fighters in an air-to-air refueling drill on April 12, 2023. (Photo by South Korean Air Force/Yonhap via EPA)





A picture of J-Hope, a member of South Korean K-pop band BTS, is seen on a bus, prepared by his fans, near a military boot camp in Wonju, South Korea, Tuesday, April 18, 2023. J-Hope entered a South Korean boot camp Tuesday, April 18, 2023 to start his 18-month compulsory military service, becoming the group’s second member to join the country's army. (Photo by Yang Ji-woong/Yonhap via AP Photo)





A TV screen shows an image of North Korean leader Kim Jong Un, right, and his daughter during a news program at the Seoul Railway Station in Seoul, South Korea, Wednesday, April 19, 2023. Kim said his country has completed the development of its first military spy satellite and ordered officials to go ahead with its launch as planned, state media reported Wednesday. (Photo by Ahn Young-joon/AP Photo)





A man attaches the name tag of a worshipper in preparation for upcoming celebration of Buddha's birthday on May 27 at Jogye temple in Seoul, South Korea, Thursday, April 20, 2023. (Photo by Lee Jin-man/AP Photo)





A participant takes photographs of his friend while climbing up the stairs during Sky Run, a vertical marathon event, held in the 123-story Lotte World Tower, in Seoul, South Korea on April 22, 2023. (Photo by Kim Soo-hyeon/Reuters)