background bark Castanea chestnut crack crevasse crevice fissure hard natural nature protection protective rough surface texture tree abundance.profusion abundant array green leaf many minute plant rosette series small tiny animal arthropod Balanus barnacles Great Britain Pembrokeshire rocks wales welsh wild Cornish cornwall England english geology gray grey lines rock sedimentary worn abstact backdrop blue Fractal lace mosaic pattern pretty seamless square tile wallpaper abstract colors colours design desktop dez pain element fill graphic illustration scrapbooking shapes xymonau cloth color colour hi res high resolution material offset textile animal print aqua beige giraffe leopard retro skin fractured purple striped aged boxcar decay grunge iron metal oxide oxidized paint peel peeling rust steel weathered