The Qianjiang tide watch record began in Tang Dynasty and was Sheng in the Ming Dynasty. It is famous for the first-line tide of the salt tower. In these years, with the siltation of the sea tu and Qiantang River quicksand, in addition to the salt officer or the first tide watch resort, the old salt warehouse, the big gap is also a tide watch resort. Haining tide is indeed spectacular and worth a look.