Use of the open space may include recreation equipment, pavilions, benches, paths and walkways, athletic fields, passive agricultural activities and similar uses. Residential accessory structures such as sheds, garages, fences, etc., shall not be permitted in the open space area. Certain temporary (no longer than two consecutive days) commercial uses (such as bazaars or sidewalk sales) may be permitted on an occasional basis with the issuance of a temporary use permit granted by the Board of Supervisors.