The remains, which belong to the period of Pengtoushan culture, a key Neolithic culture, are believed to be the earliest paddy-field remains found so far in the middle reaches of the Yangtze River.

Human settlements were discovered in Li County, in the year 1984. The Pengtoushan site excavation of 1988 helped in identifying the "Pengtoushan Culture", it being the earliest evidence of a settled ...