The sculptures of whose armies is Yuan Zhongyi famous for preserving?
Yuan Zhongyi: Yuan Zhongyi (袁仲一, born 1932) is a Chinese archaeologist. Yuan Zhongyi:  He is best known for his work in the excavation and preservation of the Terracotta Army in Xi'an, China and is praised as "the father of the Terracotta Warriors".
i don't know