The Manjanggul Lava Tube is a novel attraction in comparison with what the other matters Jeju island has to offer. Though the lava/rock formations are attractive, It's a challenging 1km walk to the top on the tube. Youngsters and aged folks will see difficulties going for walks on uneven grounds https://gregoryofqam.blog2learn.com/80205589/top-guidelines-of-jeju-tourist-attraction