"Hai_River#History" . "Hai River" . . . . "Yongding river" . . . . . "Peiho river" . "Hai river" . . . . . . "Peiho" . "1329000.0" . "Hai" . "Hai River system" . "Peiho River" . "Hai River" . . . "Pei-ho" . . . . . "Pei Ho River" . "Pei-Ho River" . . . "Haihe River" . . . "Pei Ho" . . . . . . "Pei-Ho" . . . . "Haihe" . . "Peking River" . "1963 Great Hai River flood" .