A media art work based on virtual-reality technology is displayed on a large electronic board at the K-pop Square of COEX convention center in Seoul on Sept. 16, 2021.

A group of volunteers makes "songpyeon," a half-moon shaped stuffed rice cake, in the southwestern city of Gwangju on Sept.

Visitors look at the wooden coffin (L) for King Muryeong, the 25th king of the Baekje Kingdom (BC 18-AD 660), and one for his queen at Gongju National Museum in the city of Gongju, 161 km south of

Volunteers from a branch of the National Red Cross prepare relief packages, including "songpyeon," a half-moon shaped stuffed rice cake, in Seoul on Sept.

Dried yellow corvinas hang in a shop in Yeonggwang County, South Jeolla Province, on Sept. 12, 2021, ahead of the Chuseok holiday.

Cosmos flowers are in their full bloom at the Olympic Park in southeastern Seoul on Sept. 12, 2021. (Yonhap)
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The Esports Championships East Asia 2021, involving South Korea, China and Japan, opens at an Olympic gym in Seoul on Sept. 10, 2021. (Yonhap)
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Volunteers operate lawn mowers to tidy up tombs, which have been left unattended, at a cemetery in Taean, a town in South Korea's central province of South Chungcheong, on Sept.

The Air Force's Black Eagles acrobatic flight team rehearses over Hamyang, 330 kilometers southeast of Seoul, on June 7, 2021, to celebrate the Hamyang Wild Ginseng Anti-aging Expo 2021 set for Sep

This photo, provided by the National Palace Museum of Korea in Seoul on Sept.