Miscellaneous structures and street hardware shall be designed to be harmonious with the architectural concept of design and landscape within the Downtown area. Materials shall be compatible with buildings and surroundings and proportions shall be attractive. Miscellaneous structures are structures other than buildings visible from public ways. Examples are: antenna, water tanks, towers, sheds, shelters, fences, walls, transformers, and drive-up facilities. Examples of street hardware are lampposts, utility posts, traffic lights, traffic signs, benches, litter containers, planting containers, and hydrants.