It shall be unlawful for any person occupying, in charge or control of or owning any real estate in the city to permit the trees on such property to hang over the sidewalks, streets and alleys so that the lower limbs thereof shall be closer than fourteen (14) feet to the vehicular traveled portion of any street or alley. The owner, occupant, tenant or person in control of any real estate shall keep the trees thereon so trimmed that the limbs thereof shall not hang closer to any sidewalk, street or alley than is herein prescribed.

(Code 1964, § 14.040)