Cheomseongdae, a 1,300-year-old astronomical observatory, is lit in colors in Gyeongju, North Gyeongsang Province, southeastern South Korea, on Oct. 28, 2025, as a media art show takes place ahead of a series of the Asia-Pacific Economic Cooperation forum meetings. An APEC CEO Summit is set for Oct. 29-31 in the run-up to the APEC summit from Oct. 31-Nov. 1 in the city. (Yonhap)
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