This photo, provided by the Busan city government, shows an electronic message displayed on the port city's Gwangan Bridge, expressing the wish to host the 2030 World Expo.

Cooks prepare lunch boxes at a meal support center for the South Korean Paralympic squad near the Paralympic Athletes Village in Tokyo on Aug. 24, 2021.

This photo, provided by the Korea Agro-Fisheries & Food Trade Corp. (aT), shows an aT-organized event to promote kimchi in Los Angeles on Aug.

These photos compare Seoul City Hall (L) and nearby buildings before and after nonessential lights are turned off to mark Energy Day on Aug. 20, 2021.

People cross Nongdari Bridge, built during the Goryeo Dynasty (918-1392) and known as South Korea's oldest stone bridge, in Jincheon, North Chungcheong Province, central South Korea, on Aug.

This photo, released by the state-run Korea Post on Aug.

This composite photo, provided by Sookmyung Women's University in Seoul on Aug.

This photo, provided by the Suwon city government on Aug.

The South Korean squad for the upcoming Tokyo Paralympics cheers at Incheon International Airport, west of Seoul, on Aug. 18, 2021, prior to their departure for Japan. (Yonhap)
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This photo, provided by a group of Korean American youths in the U.S.