 The General Staff House was built in 1935, which was the seat of Ho Ying-chin, the General Staff of the Nationalist Government.Its function now is the exhibition hall of the theme "Sun Yat-sen and the Provisional Government in Nanjing".The Commission House, variously called the West Garden Hall and the Office of the Provisional President, was built in 1909 by Duanfang, the 80th Viceroy of Liangjiang, who visited Europe just before the construction started.