A hangeul party takes place at the Korean Culture Center in Sao Paulo on Oct. 23, 2018. Hangeul is the Korean alphabet. (Yonhap)
Calligrapher Kim Dong-wook writes Korean letters at an event at Gwangwhamun Square in Seoul on Oct. 8, 2018 to commemorate Hangeul Day, which falls on Oct. 9. Hangeul is the Korean alphabet. (Yonhap)
Yelena Shin of Kazakhstan speaks during a Korean speech contest organized by Ewha Woman’s University in Seoul on Oct. 6, 2014. Shin won the grand prize. (Photo courtesy of Ewha Woman’s University) (Yonhap)
Foreigners compete in a Hangul (Korean alphabet) writing contest organized by Yonsei University Korean Language Institute at the private university in western Seoul on Oct. 6, 2014. (Yonhap)