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)

Visitors look at posters during an exhibition in the southeastern city of Daegu on April 20, 2021.

Employees make a nursery of rice seedlings at an agricultural research center in Hwaseong, south of Seoul, on April 19, 2021, ahead of the rice planting season. (Yonhap)
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Visitors enjoy a variety of tulips at the 2021 Taean World Tulip Festival, one of the world's five largest tulip festivals, in the namesake city, 150 kilometers southwest of Seoul, on April 15, 202

Claudia Villafane, an Argentine actress and the ex-wife of the late football legend Diego Maradona, makes "bindaeddeok," a traditional Korean pancake, at a K-food festival in Buenos Aires running f

National athletes wear the official uniforms to be used by the South Korean delegation for the Tokyo Olympics and Paralympics during a ceremony to unveil them at the National Training Center in Jin

This photo, provided by Korea Verband on April 14, 2021, shows people taking a photo with a statue of a girl at the folk museum of the national museum in Dresden, Germany.