Civilians put on gas masks as they participate in an anti-terror and anti-chemical drill on the sidelines of the joint South Korea-US Ulchi Freedom Shield (UFS) military exercises, at a metro station in Incheon, west of Seoul, on August 24, 2022. (Photo by Anthony Wallace/AFP Photo)





South Korean fire services personnel participate in an anti-terror and anti-chemical terror drill on the sidelines of the joint South Korea-US Ulchi Freedom Shield (UFS) military exercise, outside a shopping mall in Seoul on August 23, 2022. (Photo by Anthony Wallace/AFP Photo)





Participants lay down as smoke simulating a chemical agent is released during an anti-terror and anti-chemical drill on the sidelines of the joint South Korea-US Ulchi Freedom Shield (UFS) military exercises, at a metro station in Incheon, west of Seoul, on August 24, 2022. (Photo by Anthony Wallace/AFP Photo)





South Korean civilians participate in an anti-terror and anti-chemical terror drill on the sidelines of the joint South Korea-US Ulchi Freedom Shield (UFS) military exercise, outside a shopping mall in Seoul on August 23, 2022. (Photo by Anthony Wallace/AFP Photo)





South Korean emergency services personnel participate in an anti-terror and anti-chemical drill on the sidelines of the joint South Korea-US Ulchi Freedom Shield (UFS) military exercises, at a metro station in Incheon, west of Seoul, on August 24, 2022. (Photo by Anthony Wallace/AFP Photo)





A sea turtle crawls into the sea as employees of the Oceans and Fisheries Ministry release six sea turtles, a species in danger of global extinction, on Saekdal Beach in Seogwipo, Jeju Island, South Korea, 25 August 2022. The sea turtles included three born through artificial incubation and two rescued after they were found injured. (Photo by Yonhap/EPA/EFE)





A South Korean diver wearing a little mermaid costume performs in a tank ahead of the “Chuseok” national holiday, at the Coex Aquarium in Seoul, South Korea, 26 August 2022. Chuseok is the autumn harvest celebration of the Lunar Calendar and is one of Korea's biggest traditional holiday, which falls on 10 Setpember this year. (Photo by Jeon Heon-Kyun/EPA/EFE)





South Korean divers wearing a “Hanbok”, a Korean traditional costume (L), and little mermaid costume (R), perform in a tank ahead of the “Chuseok” national holiday, at the Coex Aquarium in Seoul, South Korea, 26 August 2022. (Photo by Jeon Heon-Kyun/EPA/EFE)





A couple wearing face masks takes a selfie photo inside a tunnel made with hot red peppers during H.O.T Festival at the Seoul City Hall plaza in Seoul, South Korea, Monday, August 29, 2022. (Photo by Ahn Young-joon/AP Photo)





Unionized construction workers chant slogans during a rally calling for better working conditions nationwide, in front of the Labor Ministry's local bureau in Suwon, Seoul, South Korea, 01 September 2022. (Photo by Yonhap/EPA/EFE)





A woman uses a phone next to Pablo Picasso's “Femme au beret rouge a pompon, 1937” during the Frieze Seoul 2022 art fair in Seoul on September 2, 2022. (Photo by Jung Yeon-je/AFP Photo)





Waves crash on the eastern coast of Jeju Island, South Korea, as Typhoon Hinnamnor travels toward the Korean Peninsula on Sunday, September 4, 2022. Cities in eastern China suspended ferry services and classes and flights were canceled in Japan on Sunday as Typhoon Hinnamnor, the strongest global storm this year, blew its way past Taiwan and the Koreas with fierce winds and heavy rains. (Photo by Han Sang-kyun/Yonhap via AP Photo)





Waves pound the coast after Typhoon Hinnamnor made landfall on the southern coast of South Korea, in Busan, South Korea, 06 September 2022. (Photo by Yonhap/EPA/EFE)





South Korean rescue workers rescue a man from a flooded riverside park in Ulsan on September 6, 2022, as Typhoon Hinnamnor hit South Korea's southern provinces. (Photo by Jung Yeon-je/ Yonhap via AFP Photo)





People watch the waves brought by Typhoon Hinnamnor in Ulsan on September 6, 2022, as the typhoon hit South Korea's southern provinces. (Photo by Yonhap via AFP Photo)





A man pushes his bicycle under a damaged electric cable on a road after Typhoon Hinnamnor passed through Busan on September 6, 2022. (Photo by Anthony Wallace/AFP Photo)





An electronic signboard shows canceled flights as Typhoon Hinnamnor travels toward the Korean Peninsula at Jeju International Airport on Jeju Island, South Korea, Monday, September 5, 2022. (Photo by Byun Ji-chul/Yonhap via AP Photo)





A car is driven through floodwaters in Gyeongju, South Korea, after Typhoon Hinnamnor on Tuesday, September 6, 2022. South Korea on Tuesday was hit by heavy rain and strong winds but avoided the extensive destruction that many had feared as Typhoon Hinnamnor made its way out to sea faster than forecasters had expected. (Photo by Chang W. Lee/The New York Times)





A road is damaged as waves hit a shore in Ulsan, South Korea, Tuesday, September 6, 2022. The most powerful typhoon to hit South Korea in years battered its southern region Tuesday, dumping almost a meter (3 feet) of rain, destroying roads and felling power lines, leaving 20,000 homes without electricity as thousands of people fled to safer ground. (Photo by Kim Yong-tai/Yonhap via AP Photo)





Firefighters and military officials are searching in an underground parking lot of an apartment in Nam-gu, Pohang-si, Gyeongsangbuk-do, which was flooded by heavy rain caused by Typhoon Hinamnor in Pohang, South Korea, 07 September 2022. According to fire authorities, two people were rescued alive and three bodies found out of seven people who were reportedly missing in the incident. (Photo by Kim Hee-Chul/EPA/EFE)