 Elephant mountain Culture and Dongkengzai Cultural Relics are of great significance to the study of the origin of southern Chinese culture.The Elephant Mountain Culture, which is about 8000 years ago and was unearthed in Nan’ao, is the earliest Neolithic cultural relic of the archaeological finds in eastern Guangdong Province.In Nan’ao became part of the territory of China and was placed under the jurisdiction of Jieyang, Nanhai County.