Gwangmyeong Cave (광명 동굴)
Gwangmyeong Cave (광명 동굴) – Homepage www.gm.go.kr Gwangmyeong Cave was developed in 1912 during the Japanese colonial period to exploit resources, including gold mines, and continued to be developed for industrial purposes after liberation. After the mine was closed in 1972, it was used as a salted seafood warehouse for about 40 years. Gwangmyeong City…