bark erosion exposed ground grow growing leaves network nutrients radiating root Roots Soil Stump tangled tree trunk woodland beach cracked cracks fence knot ocean old sand sea texture textures timber weathered wood xeraco aged background biar door gate Spain base chop clearing control cut down England essex fell log management open pile ride snow winter and black branch branches drive long path ramp row rows stem tall trees trunks way white panel salford wallpaper autumn colours crown forest leaf nature park plant plants season seasons woods yellow bush bushes canopy Florida landscape landscapes logs torreya state park wilderness