No person shall cut down, girdle, injure or destroy or remove any growing or standing trees or shrubbery or any ornament or improvement in any public park or street or alley in the city without receiving permission so to do from the Council, or injure, break, destroy or remove any fence or enclosure around any public park in the city or leave open any gate of such enclosure whereby any stray animal may enter therein.
(`78 Code, § 9.32.010.)