No person shall cut, break, injure, deface or disturb any tree, shrub, plant, rock, monument, fence, bench, table, structure, apparatus, equipment or property; or remove any flora or natural geological or paleontological features or mark or write upon any building, monument, fence, bench, or other structure or carry any flowers, shrubs, or branches into or through any park area. In addition, no person shall remove, add or introduce any vegetation, wood, soil, rock, sand or gravel from or onto any park area without written permission from the Public Works Department.