Korean world map. 19th-century map of the world from an atlas of Korean maps. This traditional depiction, called 'Chonhado' (Map of the World), shows the Korean belief that the Earth was flat. The form and circular shape of such Korean maps were largely unchanged from the earliest known examples in the 16th century. The main features were an internal continent surrounded by a sea, with an external continent and sea around the edge. The names and descriptions of places would include references to the religious philosophy of Taoism. This map is from the 19th-century atlas 'Yojido'. For the accompanying manuscript, see image C026/8522.