Hyeopjaegul and Ssangyonggul Lava Caves are thought to are created because of an eruption of Mt Hallasan about twenty five million decades back, and therefore are believed to happen to be below sea level at some time due to presence of fossilised abalone shells together with other seashells. Hamdeok Seaside https://trenton43f0m.blog2freedom.com/26931254/5-easy-facts-about-jeju-paradise-lsland-described