No person shall place, leave or deposit in or upon any window ledge or window sill or other portion of any building more than one story in height, located within any business district, as said districts are now defined in the Vehicle Code (Statutes 1935, Chapter 27) of this State, any article or thing, unless such article or thing is securely fastened or unless a railing or other device is constructed, erected and maintained in connection with any such window ledge, window sill or other portion of said building so as to prevent any such article or thing from falling in, into or upon any street or sidewalk.