In the past, Sangdaepo was a famous international trading port where ships from China and Japan visited. It enjoyed its heyday as an international port where various cultures interacted actively since the end of the Unified Silla Kingdom, the first dynasty to achieve unification in the history of the Korean Peninsula, to the early period of the Goryeo dynasty (founded 918). Currently, it has been transformed into a small lake by the construction of the waterway. In spring, cherry blossoms in ful...