The sculptures of whose armies is Yuan Zhongyi famous for preserving?
Terracotta Army The Terracotta Army () is a collection of terracotta sculptures depicting the armies of Qin Shi Huang, the first Emperor of China. It is a form of funerary art buried with the emperor in 210–209 BCE and whose purpose was to protect the emperor in his afterlife.
Ming Great Wall The Ming Great Wall (明長城; "Ming changcheng"), built by the Ming dynasty (1368–1644), forms the most visible parts of the Great Wall of China today. A comprehensive archaeological survey, using advanced technologies, has concluded that the Ming walls measure 8850 km from Jiayu Pass in the west to the sea in Shanhai Pass, then looping over to terminate in Manchuria at the Hushan Great Wall. This is made up of 6259 km sections of actual wall, 359 km of trenches and 2232 km of natural defensive barriers such as hills and rivers.