abstract architectural backdrop background barrier basic brick-wall bricks brickwork cement colored coloring colors coloured colouring colours constructed exterior external linear lines mortar perspective perspectives 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 windows blended brown color colour creased creases fabric flexible-membrane High-Density-Polyethylene interconnected intermeshed interwoven knitted light light-weight linked low-degradation material plastic plastics shade-cloth shade-sail shady stretch Tan thermoplastic UV-block UV-inhibitors UV-resistant weave woven contrast contrasting cool cooling dense density edge foliage green greenery growth heavy jungle jungle-foliage lake lakeside leafy leaves outdoors outside plants ripples rippling shade shadows shrubbery sunlight thick trees variations variety vegetation water water's-edge wavelets windy art-glass blue-green bright coloration colorful colourful concertinaed decorative distinctive extended fanned fanning folds glass glassy lighting lined modern panel panelled panels patterned patterns shaped shapes surfacing thin tiled tiles appearance blue fine monofilament canyon contours contrasts cracks fissures flaws gorge layered layers levels natural ravine rock rock-face rockface rocks rocky rough rugged shape small-canyon steep stone stones strata stratum sunny sunshine walls art artwork checkered checks connected connections dark design details fence fencing interlinked metal-fencing modern-art multicolored multicoloured paint painted painting purple vibrant construction cutouts decorated decorations firm gray grey