South Korean actress Youn Yuh-jung holds a press conference at the South Korean consulate general in Los Angeles on April 25, 2021, after receiving Best Supporting Actress for her role in the Korea

South Korean actress Youn Yuh-jung holds a press conference at the South Korean consulate general in Los Angeles on April 25, 2021, after receiving Best Supporting Actress for her role in the Korea

Fishing boats sail in waters off Tongyeong on South Korea's south coast on April 26, 2021, as protestors from the fisheries industry hold a protest rally to slam Japan for its decision to discharge

This photo, captured from the Oscar homepage, shows South Korean actresses Youn Yuh-jung (L) and Han Ye-ri posing on the red carpet at the 93rd Academy Awards in Los Angeles on April 25, 2021 (loca

South Korean President Moon Jae-in speaks during the virtual Leaders Summit on Climate hosted by U.S. President Joe Biden on Earth Day at the presidential office in Seoul on April 22, 2021.

This photo, provided by the Busan city government, shows Sky Tower in Auckland, New Zealand, featuring a blue light, the symbol color of South Korea's second-largest city, on April 22, 2021.

This photo, provided by the Cultural Heritage Administration on April 22, 2021, shows Changdeok Palace in Seoul.

Kang Seok-joo, mayor of South Korea's southeastern port city of Tongyeong, takes part in a one-man relay protest on April 21, 2021, denouncing and calling for the scrapping of Japan's decision to r

This photo, provided by the Northeast Asian History Foundation in Seoul on April 21, 2021, shows a Korean map drawn by U.S. naval officer J. R. Phelan in March 1868.

Lanterns in various colors light up at Jogye Temple in downtown Seoul on the night of April 20, 2021, one month ahead of Buddha's 2,565th birthday, which falls on May 19 this year. (Yonhap)