above angle angles appearance building corrugated corrugations exhaust pipes grooved grooves height high metal perspectives protection roof roofing rooftop safety security shadows shapes shopping centre shops sunlight ventilation exhaust pipes ventilation system alarm alert alerting Break-In breaking-in burglar-alarm-light cobwebs communicating communication crime exterior external fixture flashing-light home house light outside private-home secure signal signalling warn warning candles circular devotion encased candles flickering glowing grains grainy lighting lights low level light sand shade small t-light tea light tea-light tealight textures votive candles wax architecture beam coast coastline dramatic fresnel grass holiday horizon landmark lighthouse maritime navigation ocean orientation postcard red sailing saving lives sea search searchlight seashore shore sign spotlight stripes vacation white active activities adventure children children’s-playground climbing equipment families fun greenery lawns leisure park parks play playground playing sandpit shaded shady slides suburban sunshine swings trees adventure-playground cubby hut kids lookout rocks shelter advice announcement beware black camera cctv constant continuous electronic information informing notice observation observe protected surveillance under-observation video warning-sign watch watched appropriate-behavior appropriate-behaviour area assemble assembling Assembly direction emergency evacuate evacuation gathering green meeting meeting-place message outdoors people place point staff workers