Didem; Two cities of four thousand years were found.

Remains of two ancient cities were unearthed in Hinan province in the central part of China. Main Shiaolin, Vice President of the Hani Province Cultural Heritage Administration, said that the cities were four thousand years old. Experts evaluate the recent discoveries to shed light on the origins of early cultures, cities and nations. One of the ancient cities is a tribal state belonging to the Shia Dynasty (BC 2100-BC 1600), and the other to the early Shanghai Dynasty (M. Ö 1600-BC 1100) It could be a military city belonging to the period recorded. Authorities stated that the military city has an entrance of about 2 thousand square meters and it is the oldest entrance to the discovery. The city walls, fortress ditches, roads and graves were also found among the ruins.