[9] Probably the most densely built-up areas of the town are located in quite a few narrow valleys in between the Nakdong and the Suyeong Rivers, with mountains separating most of the districts. The Nakdong River is Korea's longest river and Busan's Haeundae Beach is likewise the place's major. 5 https://miners753qzh1.blogsumer.com/35767087/top-guidelines-of-busan-summner-beach-festival