Archaeologists unearth a portrait of a king carved into stone in a 4,300-year-old Chinese Pyramid A team of archaeologists say they have found what could be the portrait of a king carved into stone at the foot of the 4,300-year-old Shimao Pyramid in Shenmu, Shaanxi province in northwest China. Shimao archaeological site is located in the northern part of the Loess Plateau, on the southern edge of the Ordos Desert. The site dates to about 2000 BC towards the end of the Longshan period and covers an area of about 400 ha. The walls at Shimao, the largest known walled...