aerogramme aerogrammes air-mail blue correspond correspondence fine flight flown fly international letter letter-writing light light-blue light-weight mail paper post postage postal print printed ready send stationery thin write across the river background bird buildings business district city city central cityscape late afternoon lighting modern perched perching river river views seagull setting sun shadow shadows silhouette skyscrapers street light sunlight surfaces water windows abstract angles appearance backdrop color colored colors colour coloured colourful colours design designed feature light-feature modernistic patterned patterns surface texture textures unusual variation varied wall wall-feature alarm alert alerting Break-In breaking-in burglar-alarm-light cobwebs communicating communication crime exterior external fixture flashing-light home house outside private-home safety secure security signal signalling warn warning appearances architectural architecture contrast dark detailed distinctive elements heritage historic historical lamps lights office offices ornamental perspectives prestige prestigious quality sepia solid structures style wall-lights