As of early 2024, Cheongsapo Daritdol Observatory is free to go to but less than routine maintenance after we visited (so partially open) ??we hope they take care of the cracked panels around the glass walkway ??eek! The Oryukdo islands ended up joined to Haeundae around 100,000 a long time https://jaidenznakv.blogsmine.com/34799013/the-2-minute-rule-for-busan-travel-spot