Introduction to the former residence of celebrities: Many famous families and celebrities once lived here. Cai Yuanpei once lived at No. 52 Jing'an Villa, where he began his revolutionary work and education. Yu Youren once lived in Jing'an Villa, where he studied and edited works such as "The Compilation of Two Crude Wooden Tubes" and "Standard Cursive Script". Kong Xiangxi even purchased most of the Jing'an villa property in 1942, and later entrusted American Business China Operations Company to lease it.