Every Saturday night at 8 pm and ten pm a colourful drone display is held on Gwangalli Seashore. The theme alterations every week so there is always anything distinctive to find out. They also have a cheese and honey flavour just one which regretably I didn't get to try but https://keegant7fq5.theblogfairy.com/36331961/an-unbiased-view-of-busan-해운대룸싸롱-night-travel-haeundae