The sculptures of whose armies is Yuan Zhongyi famous for preserving?
Yuan Zhongyi Yuan Zhongyi (袁仲一, born 1932) is a Chinese archaeologist. 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".
Zhongma Fortress Zhongma Fortress — or Zhong Ma Prison Camp, or Unit Tōgō — was a prison camp where the Japanese Kwantung Army carried out covert biological warfare research on human test subjects. Built in Beiyinhe, outside of Harbin, Manchukuo during the Second Sino-Japanese War, the camp served as a center for human subject experimentation and could hold up to 1,000 prisoners at any given time. In 1937 the prison camp was destroyed and testing operations were transferred to Pingfang under Unit 731.