[nine] Probably the most densely constructed-up areas of the city are positioned in a number of slender valleys between the Nakdong and the Suyeong Rivers, with mountains separating a lot of the districts. The Nakdong River is Korea's longest river and Busan's Haeundae Beach can also be the nation's biggest. https://donaldk419fnv6.laowaiblog.com/35525800/little-known-facts-about-busan-summner-beach-festival