Cangzhou Bohai Sea coast 7,000 years the process of cross-strait into a land of ancient chenier formation, is the only, is the world';s largest existing ancient chenier one.

Huanghua ancient shell dike is the world';s one of the three ancient shell dike, located in the city along the coast, from west to east distribution of the six basic parallel with the shoreline of the ancient chenier. Details are as follows:

Shen Zhuang - East Suncun chenier. Huanghua city in the southeast of the embankment, Shen Zhuang north to south through the Southern Extension Suncun about 1.5KM.

Miaozhuang a cohabitation chenier. Huanghua city in the southeast of the embankment at about 3KM.

Xu Officer- Emperor Wu of Taiwan - Shajingzi chenier. One-third of the embankment from McNair farm field to pass through the SN was. Tianjin, north giant Ge Zhuang, Xu south Huanghua mostly buried state officials.

Bo Liu Hongbo chenier ridge. The dike is located west of Huanghua Jiabao ridge off the west side of Park, was SN direction, stretching more than 3 km long.

Qikou - Wolf Haituozi Shell Bar, the embankment located in modern coastal high tide line, Huanghua, was SE-NW direction.

Qikou - chenier ZHAOJIAPUZI low. The high embankment at Qikou Village to the low ZHAOJIAPUZI beach to the sea 2.2KM chenier.