Sangumburi Crater is often a flat crater that's like a large hole in the ground wherever plenty of volcanic product was ejected. Inside, the crater is somewhere around 130m / 430 ft tall and with an inner diameter of 240m / 790 ft. As I've reported, it's not my favourite https://finn96ahb.anchor-blog.com/7212117/the-definitive-guide-to-jeju-paradise-lsland