access angle angled angles architectural architecture brickwork curved curving decorative foliage greenery handrail light passage passageway path pathway paved paving pedestrian pedestrians practical protective safe safety shade shadows shiny slant slanting slope sloping smooth stonework sunlight sunshine through underpass vegetation wall walls advice arrow availability celebratory children childrens-play-center childrens-play-centre communicating communication convenience creatures decorated decoration direction fun information informative informing lettering loo personal public public-convenience public-toilet rest-rooms sanitation script sign signs toilet toilets wc word analog analogue background box business castle common container correspondence deliver delivery e-mail email facility fashioned house letter Letterbox mail mailbox message metal network old past post post-box postage postal Postbox retro royal send service swedish traditional vintage aged close-up closed closeup corroded corrosion door entrance entry gate grunge grungy hinge iron lock old rusted hinge old wood padlock peeling paint private protection rough rusted rusty scratch secret secure security shut steel texture wood yellow yellow wood access-denied advising alert arrows black communicate denial denied directive keep-out no-parking no-vehicles not-allowed not-permitted parking-prohibited permission-denied private-property prohibited prohibition restricted restriction restrictions signage text unacceptable warning white wording words red armed authorities authority available badges barriers cars control deployment equipment flashing-lights law law-&-order lights motor-bikes National-Day on-duty on-the-job order patrols police police-vehicles power presence regulations responsible Singapore symbols traffic traffic-control uniforms vehicles weapons