A continuous landscaped strip shall be preserved or established of
not less than 25 feet in width as measured from the exterior boundaries
of the mobile home park lot, the buffer strip shall not contain part
of any site, structures or road(s), and shall contain evergreen shrubs,
trees, fences, or any combination which forms an effective visual
barrier, except that entrances shall be kept open to provide visibility
for vehicles entering and leaving the park;