Gongsanseong Fortress of Baekje
Gongsanseong Fortress was built to protect Ungjin (now Gongju City, South Chungcheong Province), the capital of Baekje for 538 years over five generations until 16 (the 5th year of King Seong's reign) when the capital was moved to Buyeo. It was built to surround the peak of Mt. Gongsan, 64 meters above sea level, to its western peak...