abstract appearance background canyon colored coloring colors coloured colouring colours contours contrast contrasts cracks fissures flaws gorge layered layers levels light lines natural ravine rock rock-face rockface rocks rocky rough rugged shade shadows shape shapes small-canyon steep stone stones strata stratum sunlight sunny sunshine surfaces texture textured textures walls art artwork blended checkered checks color colorful colour colourful connected connections dark decorative design details fence fencing green interconnected interlinked intermeshed linear lined metal-fencing modern-art multicolored multicoloured paint painted painting perspectives purple shaped style vibrant wallpaper architectural barrier basic brick-wall brickwork cement construction cutouts decorated decorations exterior external firm gray grey mortar perspective secure security solid strength strong surface surfaced variation varied various wall walled well-built art-glass artistic bubbles bubbly coloration curtain curved curves distinctive fabric glass hidden in-front lighting liquidy patterned patterns round rounded stained-glass surfacing thick thin transparent angles backdrop bright circles circular geometric geometrical interwoven kaleidoscopic patterns mandala pointed points radiating rays blocks brown clear crafted maroon mosaic paneling panelling panels panes presentation raised rectangles rectangular tactile variations variety window brick bricks constructed smooth standard traditional-brick-wall art supply beige blank canvas coarse copy copy space fill fill space gradient grain hessian linen manuscript neutral overlay paper parchment poster stationery weave woven fine linked links mat matrix pattern stars tight tightly-woven