A taekwondo demonstration team performs during the World Taekwondo Peace Festival in Seoul, on Nov. 22, 2021.

The South Korean Air Force's aerobatic flight team, the Black Eagles, performs over the city of Pohang, North Gyeongsang Province, southeastern South Korea, on Nov.

A group of overseas visitors takes part in "gimjang," a traditional Korean gathering in which kimchi, or spicy fermented Korean cabbage, is prepared for the winter, at the National Folk Museum of K

A boy uses a paste brush to attach a piece of pasted traditional Korean paper, or "hanji," to a door of a Korean house at the National Folk Museum of Korea in Seoul on Nov.

This photo taken Nov.

Visitors enjoy newly launched games during the annual global game trade fair G-Star at the BEXCO exhibition center in the southeastern port city of Busan on Nov. 18, 2021.

Parents of college aspirants take part in a Buddhist prayer at the Jogye Temple in Seoul on Nov.

College aspirants prepare to take a test for the Korean language section as they sit for the national college entrance exam at Yongsan High School in Seoul on Nov. 18, 2021.

Busan Mayor Park Heong-joon, dressed in a tracksuit featured in Netflix's "Squid Game," looks around booths at the G-Star 2021 at an exhibition center in Busan on Nov. 17, 2021.

This photo, provided by Korea Post, shows stamps featuring the traditional Korean costume, hanbok, worn by people of different ages, which will be issued on Nov. 18, 2021.