Sec. 17-20. Potentially dangerous recreational games and activities; confined to designated areas.

(a) No person shall take part in activities involving thrown or otherwise propelled objects such as balls, golf balls, stones, frisbees, arrows, javelins or other recreational equipment except in areas set apart for such forms of recreation, or where such activities will not interfere with the safety, activities and enjoyment of others. This prohibition shall be effective irrespective of the order of arrival of those using general public areas which are not designed to accommodate specific types of recreational activities.