Political signs are prohibited on all public property (real and personal), which shall include, but not be limited to, public right-of-way, buildings, fences surrounding public property, sidewalks, crosswalks, curbs, curbstones, fences, walls, playground equipment and/or facilities, street lamp posts, traffic light poles, guy lines, horizontal struts, city barricades, hydrants, trees, shrubs, tree stakes or guards, railroad trestles, poles for electric light or power or telephone or telegraph or trolley wire or upon any fixture of the fire alarm or police telegraph system, bridges, drinking fountains, street signs or traffic signs, planter strips and in city facilities such as parks, city hall, library, fire stations and corporation yards.