A group of South Korean cultural heritage officials and historians take the first shovelfuls of dirt during a ceremony held in the North Korean border town of Kaesong on June 4, 2015, to mark the start of this year’s inter-Korean joint excavation of the site of Manwoldae, a Goryeo Dynasty (918-1392) palace, in the city. The project will continue for six months until Nov. 30. (Yonhap)
