This undated file photo, released by the Cultural Heritage Administration on Sept. 11, 2018, shows the site of Manwoldae, which was the palace of the 918-1392 Goryeo Dynasty, in the North Korean city of Kaesong. The administration said that it has agreed during a working-level meeting with the North’s National Reconciliation Council in Kaesong on Sept. 6 to conduct a joint survey and preservation of the Manwoldae site for three months from Sept. 27 to Dec. 27. (Yonhap)
