branch christmas decoration christmas lights christmas tree circle design light lighting pattern spots abstract appearance background bare bark branches bumps close-up colors colours cut-branches dry edge edges eyes gray grey grooves layers lines patterned patterns perspectives ridges rough shape shaped shapes strange surface surfaced surfaces texture textured textures timber tree tree-trunk trunk uneven unusual variations varieties wood arrangement bush flower flowering plant green horizontal leaf leafs nature plant regular Robinia robinia leafs row rows structure structures Terrestrial plant cracked cracks grain knots knotted lumber radial-lines foliage garden gardening gold leaves sparkle trees yellow branched detail growth life natural network old organic root Roots construction material pine pinewood plank planks roughsawn sawn cork cortex down forest moss tile wallpaper carve cut fence flat pile wooden