Citibank introduction: Built in 1908, it is the earliest building in Zhongshan Square and is a European Gothic style building. During the Japanese occupation period, it was the Dalian Civil Affairs Department and the Police Department. After the liberation of Dalian, it served as the Dalian Grand Square Police Station, the Naval Lushun Base Logistics Department Supply Station, the Liaoning Provincial Department of Foreign Economic and Trade Cooperation, and now it is the Dalian Branch of Citibank. Dalian City's key protected buildings.