South Korean Ambassador Yun Kang-hyeon (4th from R) poses while donating 5,000 masks to a senior care facility in the suburbs of Tehran on Oct. 25, 2021. (Yonhap)
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People tour the ancient Gyeongbok Palace in Seoul, one of the capital city's top tourist attractions, on Oct. 24, 2021. (Yonhap)
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This photo, provided by the World Taekwondo Headquarters (WT) in Seoul on Oct.

New Jersey first lady Tammy Murphy wears hanbok, the traditional Korean costume, while delivering a speech during a ceremony to mark Hanbok Day in the state's city of Tenafly on Oct. 21, 2021.

South Korea's first homegrown space launch vehicle, known as Nuri, lifts off from the Naro Space Center in Goheung, South Jeolla Province, 473 kilometers south of Seoul, on Oct. 21, 2021.

A farmer binds peeled persimmons together to dry them in Yeongdong, a town in South Korea's central province of North Chuncheong, on Oct. 21, 2021.

A worker loads coal briquettes onto a truck at a plant in Hwaseong, south of Seoul, on Oct.

Turkish people takes part in a Korean calligraphy contest in Istanbul on Oct.

A ceremony to convey South Korea's donation of 470,000 doses of the AstraZeneca vaccine to Thailand takes place at the Thai health ministry in Bangkok on Oct.

The South Korean Air Force's acrobatic flight team, the Black Eagles, performs to mark the opening of the Seoul International Aerospace & Defense Exhibition (ADEX) 2021 at Seoul Air Base, east