Fangzi German-Japanese Architectural Complex] Old urban area, because it was occupied by the German and Japanese armies, has left behind a lot of characteristic buildings, which have a history of 100 years. In recent years, many old houses have been restored after protection and development. These buildings not only exist in the ornamental value, but also in the witness of history, an inch of mountains and rivers and an inch of blood, reminding us not to forget the national shame, our generation self-reliance.