background block brick cement decay grey red rust space texture wall angles appearance backdrop backgrounds barrier concrete constructed decorative display gray groove grooved grooves lines modern perspective perspectives secure security solid strength strong surface surfaces textures variations variety walled well-built architecture blind build history pattern stone window appearances artificial artificial-lawn brickwork corner curved curves drive fence fencing flowers garden home house lavender lawn neat path paving pillars plants retaining-wall shaped shapes shrubs street suburban tidy blue cannon capital castle city cliff cloud clouds cloudy defence defences defense defenses Edinburgh flag flower fort fortress garrison green hill precipice rampart rock scotland sky soldier sun tree trees walls white arch arched arches architectural brown building building-complex china chinese Chinese-complex Christian-center Christian-centre cobbled covered driveway entrance historic Hong-Kong paved stairs steps style Tao-Fong-Shan greyscale abstract frame holiday island nature resort restaurant view black colored coloring colors coloured colouring colours design displayed glass height high light lighting rectangles rectangular reflections size sunlight windows