A traditional Korean art troupe performs during a ceremony in a village in the city of Pocheon, Gyeonggi Province, northeast of Seoul, on June 30, 2021, to designate an alder tree (rear), known to

This photo, provided by the Cultural Heritage Administration, shows parts of astronomical and water clocks from the Joseon Dynasty (1392-1910), excavated in Insadong, central Seoul.

This photo, provided by the Cultural Heritage Administration, shows one of four seals of King Gojong, who ruled Korea between 1863 and 1907.

South Korean President Moon Jae-in (L) speaks during a virtual meeting with his counterparts from the eight member nations of the Central American Integration System (SICA) at the presidential offi

Members of civic groups carry a structure in the shape of an inter-Korean railway running on the Korean Peninsula as they march in front of the provincial government building in Suwon, Gyeonggi Pro

Elderly people who have been vaccinated against the new coronavirus are treated to a traditional lunch at a hall of the Imcheonggak house, the birthplace of Korean independence fighter Lee Sang-ryo

Elementary school students pay tribute during a visit to the U.N. Memorial Park in Busan on June 24, 2021, one day ahead of the 71st anniversary of the Korean War.

This photo, captured from the homepage of Time, shows the cover of the U.S. magazine showing South Korean President Moon Jae-in and its virtual interview with him.

People vaccinated against COVID-19 look around Changdeok Palace in central Seoul on June 23, 2021, in a free nighttime tour offered to people who have gotten their first jabs. (Yonhap)

A bereaved woman wipes away tears at the tomb of her father, a soldier who was killed in action during the 1950-53 Korean War, at the national cemetery for the war dead in Seoul on June 23, 2021, t