area away background beware black blue breaking building car caution city construction drive fire icon illegal information isolated lane law message metal no not park parking pictogram prohibited prohibition sign symbol ticket tow tow-away traffic transport transportation trees truck urban violation wall warning white work zone alarm big brother business camera cctv control electronic fence government guard inspect instrument jail legal lens Look monitor monitoring observation oppressive optical outdoors policing privacy private product property protect protection record render safe safety secure security society supervision surveillance system technology television video video surveillance view watching angles appearance appearances contrast contrasting decorative design detailed distinctive exterior external features frozen gray grey height heritage high historic historical history light memorial old ornamental ornamentation Patriotic perspectives public quality sculpted sculpture shaped solid Somber sombre statuary statue statues stonework style surfaces symbolic symbols Victorian Victorian-era weathered advice alert appropriate-behavior appropriate-behaviour care cars communicate communication denied informing no-standing not-allowed not-permitted permission-denied red refusal restricted restriction restrictions risk risks risky road road-safety road-side signs sky unacceptable vehicles verge warning-sign danger dangerous penalties clearway directions keep-clear no-parking no-temporary-parking access-denied abstract abundant angular backdrop banded color colored coloring colors colour coloured colouring colours cultivars curved dark dark-green devil's-tongue display edges erect evergreen flat foliage hardy indoor-plant long mother-in-law's-tongue mottled outdoor-plant plant pointed rigid sansevieria snake-plant snake-tongue surface texture textures thick variegated signage access-limited ban banned be-careful bylaws communicating concern motorbikes-prohibited no-wheels pedestrian-care pedestrian-safety prohibitions rules watch watch-out