Little to absolutely nothing is known with regards to the city or even the people who designed it. Based on Huang, there are no historical records during the Chinese canon of a complicated stone-making civilization that corresponds on the carbon dating data. There are two primary kinds of CCTV available https://xyzvideoz69.blogspot.com.br/search/label/url-HHsGyDomCQKwyFArt3CDokfJX