Archaeological Sites
The archaeological site of Banpo village, near Xi'an, is one of the best-known ditch-enclosed settlements of the Yangshao culture. Another major settlement called Jiangzhai (姜寨) was excavated out to its limits, and archaeologists found that it was completely surrounded by a ring-ditch. Both Banpo and Jiangzhai also yielded controversial incised marks on pottery which a few have interpreted as numerals or perhaps precursors to the Chinese script. However, such conclusions may be premature.
Read more about this topic: Yangshao Culture