Millennium, unify the rivers and lakes. In the TV series "the legendary swordsman", when Dong Fangbubai, the founder of Sun and Moon Shintoism, went through the customs, the congregation shouted "Let the rivers and lakes be unified for thousands of years" as a slogan to welcome the founder to go through the customs. The legendary swordsman is a costume martial arts TV series adapted from Jin Yong's martial arts novel of the same name, which tells the love and hate of Ling Huchong, a disciple of Huashan School.