As the hot magma erupted through volcanic activity, it satisfied cold seawater, forming volcanic ash; this ash retained a lot of dampness and grew sticky, forming levels that eventually grew to become Seongsan Ilchulbong. The Jeju Olle Path is often a 437km strolling trail across the coastline of Jeju Island, https://holdencp530.blogolize.com/details-fiction-and-jeju-island-is-so-beautiful-72457344