No. 209 Yuanmingyuan Road, Zhenguang Building, formerly the office building of the Chinese Baptist Federation. Built in 1930. The building area is 3347 square meters. Designed by Hungarian architect Tan Dak. Sitting west facing east. 10 floors. Reinforced concrete structure, facade decorated with sharp angle vertical lines, cross-combination of horizontal and vertical lines, milky white and brown curved exterior wall tile finish. Large glass windows and square glass lampposts have a strong sense of times.