following license: English Cheomseongdae Observatory, Gyeongju, South Korea French Observatoire astronomique Cheomseongdae à Gyeongju, Corée du Sud author name
DescriptionKorea-Gyeongju-Cheomseongdae-02.jpgCheomseongdae is an astronomical observatory in Gyeongju, South Korea. It is the oldest surviving astronomical
DescriptionKorea-Gyeongju-Cheomseongdae at night-01.jpg English: Cheomseongdae observatory at night, Gyeongju, South Korea Date Unstated Source Cheomseongdae observatory
DescriptionKorea-Gyeongju-Silla Art and Science Museum-Cheomseongdae model-01.jpg English: A view of Gyeongju, North Gyeongsang province, South Korea 한국어: 대한민국