d and fifty (750) feet of any structure used for dwelling purposes, except within or upon an area or facility set aside for this purpose by the Board or Department. For purposes of this subdivision, the term “ musical instrument ” includes but is not limited to drums and other percussion devices. 7. No person shall use any area or facility set aside, used, maintained or designated for a specific recreational or park purpose by the Board, Department or Commission, where reasonable notice of such designation or purpose is given by signs posted thereon, for a purpose contrary to or inconsistent with such specific or designated purpose. (Amended by Ord. No. 184,021, Eff. 1/27/16.) 8. No person shall land, release, take off or fly any balloon, except children toy balloons not inflated with any flammable material, helicopter, parakite, hang glider, aircraft or powered models thereof, except in areas specifically set aside therefor. 9. No person shall engage in any voluntary parachute jump. 10. No person shall use any bow or crossbow, or throw or release any arrows, except as specifically permitted in designated archery areas. 11. No person shall take, seize, disturb or hunt any bird, animal, nest, egg or fish, except that a per- son may search for a lost or escaped dog, cat or horse. (Amended by Ord. No. 184,021, Eff. 1/27/16.) 12. No person shall remove any wood, tree, shrub, plant, turf, grass, soil, rock, sand or gravel. 13. No person, without permission from the Board or the Department of Recreation and Parks, shall cut, break, injure, tamper with, deface or disturb any tree, shrub, plant, rock, building, cage, pen, monument, fence, bench, structure, apparatus, equipment or property; or mark, paint, post or write upon any building, monument, fence, bench or other structure. (Amended by Ord. No. 168,219, Eff. 10/4/92.) 14. (a) No person shall enter, remain, stay or loiter in any park between the hours of 10:30 p.m. and 5:00 a.m. of the following day. On any public park or recreational facility subject to this section, the supervising employee at such site may extend the 10:30 p.m. closing time for up to one and one-half hours to accommodate any departmentally approved event, except for Griffith Park, for which the supervising employee at such site may extend the 10:30 p.m. closing time for up to only one hour to accommodate any departmentally approved event.