Gwangyang Marosanseong Fortress
Marosanseong Fortress in Gwangyang, South Jeolla Province is a Baekje-era fortress that surrounds the top of Marosan Mountain, 3 meters above sea level, located about 208.9 kilometers east of Gwangyang City. The fortress is located like a horse's saddle, with both sides of the mountain high and the middle low. South...