The accumulation and storage of 1 or more of these vehicles or of motor vehicle parts, as defined in § 10.08.010, on private property beyond the 15-day limit, shall constitute rubbish and unsightly debris and a nuisance, detrimental to the health, safety and welfare of the inhabitants of the city. It shall be the duty of the registered owner of the vehicle or vehicles, and it shall also be the duty of the owner of the private property or the lessee or other person in possession of the private property upon which the vehicle is located, to remove the same from the city within 15 days or to have the same completely enclosed within a building where it will not be visible from a street or adjacent property.