abstract backdrop background barrier color colored colour coloured concrete decorative design detailed display fastened fence fencing grooved grooves hard interconnected interlinked light linear lined patterned patterns perspectives rough shaped shapes Sizes slab slabs sunlight surface surfaces texture textured textures thick thin wallpaper woodgrained brown chiselled cut dark decoration designed dips distinctive flowing folds horizontal lines panel raised shadows shape smooth smoothened surfaced surfacing tactile uneven unusual wood wood-grain wooden woodwork angle angles appearance bark coloring colors colouring colours crack cracked cracks cuts droplets excrete excretions exposed lopped orange protective reaction response sap sawn secrete secretions sticky Stump timber tree tree-stump trunk age-rings block chopping drying firewood length lengths logs rings tree-block tree-rings Acer fissure groove nature sycamore above building capping cover covered covering edge exhaust-pipes exterior external height high roof roof-area roof-capping roof-whirlybird roofing rooftop sky sunshine tiles tiling turbine-ventilator vent ventilation ventilation-exhaust-pipes ventilation-system ventilator vents whirlybird whirlybirds wind-turbine achitecture chanelling classic elements font green grooving moss old saavem vintage water