Plain prehistoric city

sitesCity Site, including the prehistoric Xinjin County in Chengdu, Sichuan Ma Po pier ancient village site of the ancient urban and rural areas Pixian the ancient city of Dan County, site of the town of Wenjiang County Wanchun site Yufu city, urban and rural areas of the Mount Dujiangyan city of the ancient city of Green site, Chongzhou Shangyuan Shuanghe Township site and prairie town of the ancient city of ancient sites such as black bamboo is found in southwest China has ever known the earliest, largest and most densely distributed group of prehistoric city sites, dating back some 4,500 to 4,000 years.

Found in the city was tall for defensive walls, ward ceremonial site, dry-column construction, wood walls of bone or bamboo house bone site, a rectangular earthen pit tombs and various types of pits, excavated a large number of fine grinding decorated pottery and stone tools. The ancient city of the same site construction technology, and cultural nature of the single, isBaodun culturalcenter of settlement sites. Baodun city flat rectangular area of 60 square meters. Chengdu Plain is located in the hinterland of the ancient city of Pi County area also showed a rectangular plane, with a total area of more than 30 million square meters, the city was the central area of 550 square meters found in the ceremonial buildings. Yufu city, flat hexagon, an area of 40 square meters. Mountain City city, for the double-ring inside and outside the walls, inside and outside the walls of a trench between, area of 11 square meters. Shuanghe city, black bamboo city, the plane also showed a rectangular area of 11 million square meters, respectively, 20 million square meters.

City Site is a prehistoric archaeological Sichuan, a completely new discoveries and breakthroughs for the establishment of the Neolithic Age to the Bronze Age in the Sichuan region's cultural development sequence, the origin of civilization to explore the upper Yangtze and other issues of great academic value.