As well as the elaborate coastline, the western coast with the Korean Peninsula has a particularly higher tidal amplitude (at Incheon, around the middle from the western Coastline, the tide might get as high as nine m). Broad tidal flats have already been developing to the south and west coastlines. https://travis9j397.theisblog.com/37301004/the-5-second-trick-for-chuncheon-business-trip