Yangshao culture
Yangguanzhai () is an archaeological site discovered in 2004 at Gaoling County, Shaanxi Province. The site is associated with the Miaodigou phase (4000-3000 BC) of the Yangshao culture. As of 2009, survey data suggests the cultural remains at Yangguanzhai cover an area of over 800,000 square meters, making it one of the largest Neolithic sites in China.