Clearance. All trees planted or growing in any street,
or overhanging any street or sidewalk from private lands, shall be
kept by the owner or occupant of such private lands, or the lands
adjoining such street or highway, suitably trimmed and cut so that
the lower limbs and branches thereof shall be no less than 12 feet
above the street or sidewalk and so that such trees shall not in any
manner from any cause interfere with, obstruct, impede, or be hazardous,
dangerous or detrimental to the health or safety of any person on
any street or sidewalk.