bushland sign flora protection illegal law legal non-removal prosecution rusty sign angles appearance architectural-elements barred barrier bars black bush bushland dark decorated decorative directions distinctive entrance exterior external gate gate-posts gateway grille heavy indicators light open ornamental park parkland path post secure security shade shadows spikes steel stone strength strong sunlight sunshine track building construction conveniences gender hers his isolated ladies-and-gents loos public public-conveniences public-toilet shape shaped shapes signs stand-alone structure style toilet WCs wood wooden