Regulated activities. No person, firm or corporation shall establish, operate or allow to exist a junkyard, as defined in § 160-20.2 of this Code, any portion of which is within 1,000 feet of the nearest edge of the right-of-way of any interstate or primary highway or street, as defined in § 160-20.2 of this Code, except the following:
(1)
Those which are screened by natural objects, plantings, fences or other appropriate means so as not to be visible from the main traveled way of the interstate, primary highway system or street or from any adjacent property with a structure within 500 feet or otherwise removed from sight.
(2)
Those which are not visible from the main traveled way of the interstate, primary highway system or street or from any adjacent property with a structure within 500 feet.