1, pristine / Ho-jŏng Song Kim, Eun - Jung picture posts. 2, Chosun, grants, Samhan / Ho-jŏng Song geulmin munok picture. 3, Goguryeo / yeohogyu post Kim Hyung Joon picture. 4, bleach / Chong-hun Kang Kim, Eun - Jung picture posts. 5, Silla, Gaya / Hŭi-ra Na Lee, Sun - Hee delay state illustration article. 6, the Bohai Sea / Ho-jŏng Song text nojeongah picture. 7, consider 1 / yungyeongjin article seongbyeonghui picture. -8, Consider 2 / yungyeongjin geuljang seonhwan picture. 9, shipbuilding 1 / Ho-jŏng Song geuljang seonhwan picture. 10, shipbuilding 2 / Chŏng-sŏp Yŏm article; jangseonhwan picture. Shipbuilding -11 3 / Chŏng-sŏp Yŏm articles; nojeongah picture. -13 Japanese occupation / yeombokgyu articles; Kim Soo Hee Pictures