As the new magma erupted for the duration of volcanic action, it achieved cold seawater, forming volcanic ash; this ash retained lots of humidity and grew sticky, forming layers that finally grew to become Seongsan Ilchulbong. The streets of Jeju Town, the most important metropolis within the island #seventeen Hallasan https://andressg197.blogofoto.com/64575284/everything-about-jeju-island-is-so-beautiful