abstract appearance backgrounds bare bark brown bumps close-up colors colours cracked cracks dead dry edge edges gnarled gray grey grooves layers lines moss mottled patterns peeling ridges rough shades of colour shapes smooth strips Stump sunlight surface surfaces texture textured textures tree Tree Stump tree trunk trunk uneven variations wallpaper wood angles background boards bollards cool dark darkened decking environment environmental hand-rails Jetty light lined marine-bollards old pier posts railing ripples rippling river riverside shade shadows shady sunshine support vibrant view wall water water's-edge weathered wooden worn architectural barrier blocks coloring colouring exterior external firm fitted large layered linear mortar perspectives porous rock rock-wall rugged sandstone secure sedimentary-rock shaped solid stone stonework strength strong style weathering well-built base building concrete concrete-pad concrete-pour concrete-work concreting construction edged edging fill filling flat flatten flattening form forming foundation foundational level leveled leveling levelled levelling mix mixed poured preparation prepared preparing smoothing solidify spread spreading tools wet work working