Sebyeonggwan Hall in Tongyeong, Korea통영 세병관洗兵馆National Treasure No. 305 / 국보 305호 Sebyeonggwan was built in 1604.Since its establishment, the building served as a naval force headquarters of three provinces. it is a majestic one-story building with nine rooms in front and five rooms on the sides. As a one-story wooden structure constructed in the early 17th Century, Sebyeonggwan is one of the la..
