abstract appearance background bark color colored colors colour coloured colours cork cork tree exterior external impervious layers light resistant shadows soft sunlight sunshine surface textures tree trunk useful backdrop balks board colorful colourful faded old orange painted structure structures texture used vertical wallpaper washed out weathered wood wooden worn boards carriage cracks cream damage damaged gray grey grooves lines nails paint peeling railway railway carriage slats wall alien architecture art creative design distortion elegant geometric graphic illustration kaleidoscope modern ornate pattern pink purple retro sci fi science fiction scrapbooking seamless shapes tile branch broken cracked grained grains palm palm-branch palm-tree patterns rough stringy textured timber wood-grains chaos complexity computer generated digital eye Fractal infinity mandelbrot mathematics peacock repetition science self-similar self-similarity spiral technology dark black border concept creation fairy tale fantasy grunge horizon image impressionism landscape magic New original painting render skies sky spectacular style sunset unique vector wonderland yellow bright curved decoration decorative dynamic futuristic glare glass gleam glow glowing shining shiny translucent transparent vivid brown decor fill floor flooring furniture grain interior laminate oak realistic