It upholds respect to ward the natural environment while also reflecting the spirit of the police office and looking back with respect upon the local history and culture.It combines an image of the police and a form of Tunghai fort to show the new chang of Taichung city.As the core model of the public arts,it not only strengthens the local views and histories,but represents the cooperation of the police and citizens working together to create a happy and safe living environment.It helps the local agency into life art naturally.