almost-derelict architecture balconies building closed compound compound-walls decay Dirt discoloration estate façade front front-doors grass grime home house in-use isolated isolation light locked neglect overgrown padlock padlocked-doors poverty property Rooms secured semi-rural-area shut trees uninviting wall walls weeds windows access armed authorities authority availability available badges barriers cars communicating communication 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 security Singapore symbols traffic traffic-control uniforms vehicles weapons diner drive in restaurant sign