This photo shows a contribution that U.S. presidential candidate Joe Biden sent to Yonhap News Agency on Oct. 29, 2020.

Korea Post tests a self-driving mail delivery vehicle at Korea University Sejong Campus in the central city of Sejong, 120 kilometers south of Seoul, on Oct. 28, 2020. (Yonhap)
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The Air Force's Black Eagles acrobatic flight team performs over the War Memorial in Seoul on Oct.

Yonhap News Agency CEO Cho Sung-boo (R) and Shin Hee-young, head of the Korean Red Cross, pose for a photo at the new outlet's headquarters in Seoul on Oct.

A visitor looks at robots measuring body temperature at AI Expo Korea at COEX in southern Seoul on Oct. 27, 2020. The artificial intelligence exhibition opened on the day for a three-day run.

Lee Jun-sik, head of the Independence Hall of Korea, speaks during a ceremony in Seoul on Oct.

This photo shows electric trains that Hyundai Rotem Co., a South Korean railway system and plant equipment maker, delivered to Taiwan Railways Administration (TRA) on Oct.

Cable cars travel up and down Mount Seorak in Sokcho, 213 kilometers east of Seoul, on Oct. 25, 2020, as people flocked to the scenic mountain to enjoy the autumn colors. (Yonhap)
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This file photo shows Samsung Group Chairman Lee Kun-hee speaking during a ceremony to mark the 50th founding anniversary of the business group in Seoul on March 22, 1988.

Karkikhan Village with its good temperature becomes colorful when autumn arrives, Boroujerd, Lorestan Province, western Iran, October 25, IRNA. Ali Reza Soleimani