The Board of Commissioners of the City of Bowling Green declares as a matter of public policy that the prohibition of the sale to minors and the display or exhibition in public establishments open to minors of certain publications, articles, books, magazines, movies, recordings and other works which are harmful to minors and which exploit, are devoted to or are principally made up of descriptions, representations and depictions of sexual acts, sexual excitement, nude or partially denuded human figures, or sadomasochistic abuse is a public necessity and is required in the interest of health, safety, welfare and the well-being of the people and is required to protect persons under the age of eighteen (18) from displays of such publications, articles, books, magazines, movies, recordings and other works in public places and to decrease the incidents of crime and juvenile delinquency related thereto.