Pre-Hai North Bank Warring States and Han Dynasty Ancient Cultural Site

　　The Pre-Hai North Bank Warring States and Han Dynasty Ancient Cultural Site is located along an ancient dike on the north bank of the former Qilihai area, extending from Xiaonan Village in Panzhuang Town to the Lengtou area. There are eight sites in total: the Xitangtuo Village Site, Shuangtuo Site, the Dongtangtuo Village Tomb Cluster, the Laowen Di site at Taoyuan Slope in Biaokou Village, the Dongdashuikeng Site, the Yangjiatuo Site, the Beidatuo Site in Luolituo, and the Lengtou Site in Lengtou Village. All of these are residential and burial sites dating from the Warring States Period to the Han Dynasty. Discovered between 1957 and 1977, the cultural layers are approximately 0.4 to 2.0 meters deep. Exposed relics include three types of pottery: sand-tempered red pottery, clay gray pottery, and sand-tempered gray pottery, as well as fragments of cauldrons, jars, basins, dou vessels, and steamers; rope-patterned roof tiles, tubular tiles, wuzhu coins, pottery imitation jade bi discs, iron pieces, and a small number of scattered shells.