abstract architectural backdrop background barrier brick brick-wall bricks brickwork cement colored coloring colors coloured colouring colours constructed exterior external firm linear lines mortar perspective perspectives rectangular secure security smooth solid standard strength strong style surface surfaced surfaces texture textured textures traditional-brick-wall variation varied various wall walled wallpaper well-built appearance art-glass artistic artistry black color coloration colorful colour colourful contrast craftsmanship dark decorative design designed Designs distinctive frames geometrical glass grid-patterns grids lead light lighting patterned patterns rectangle rectangles reflected reflection reflections rippled shaped shapes stained-glass window angled angles architecture Asian blue building closed exterior-shutters façade fixture functional louver-blades louvered louvers louvre-blades louvred louvres painted plantation-shutters protection shape shelter shut shuttered shutters symmetrical symmetry traditional window-coverings window-frames window-shutters windows wood wooden angle blinds curved curves decoration diamonds edges elements frontage geometric glass-panes lined panes round sunlight sunshine views window-frame window-panes appearances buildings business-district city commercial commercial-city-building contemporary contrasting distance distant geometric-shapes gray grey heights high high-rise modern office-buildings panelling panels unusual walls height open shade shadows city-views construction construction-work crane danger distorted distortion distortions images sky skyscrapers straight tall work workmen corner