No person shall fail to keep roofs, courts, yards, sidewalks, alleys, vacant lots, and open spaces free and clear of deposits or accumulations of waste paper, hay, grass, straw, weeds, litter, or combustible waste or rubbish of any kind. All weeds, grass, vines, or other growth, when same endangers property, or is liable to be fired, shall be cut down and removed by the owner or occupant of the property.