No fences, curbing, walls, enclosures, benches, chairs, settees, barriers, planter boxes, toys, bottles, glass or breakable items, or any other similar decorations shall hereafter be erected in any City Cemetery and no corner markers or slabs shall rise above the ground. Any such listed items previously placed on any cemetery lot prior to the enactment of this Ordinance shall be allowed to remain on any said cemetery lot. Provided, however, if such listed items fall into disrepair or are unsightly then they shall be removed and cannot be replaced or repaired and will thereafter be prohibited from any City Cemetery.