Busan is the 2nd-premier city in South Korea and it has many things to provide, which include Haeundae Beach, the biggest and most popular beach in the port town. I'd personally recommend visiting Gwangalli a couple of hrs prior to the drone exhibit because there are several very nice cafes https://gregoryboavg.link4blogs.com/57836775/the-best-side-of-haeundae-busan-해운대고구려-night-beach