grass plant saw dust Stump tree angle angles beware blown-over broken broken-fence cut damage damaged danger dangerous debris exposed fallen fence footpath large large-tree lopped perspectives Roots safety sawn storm storm-damage tree-stump warning warning-tape cutting ecology nature wood wooden decayed deciduous forest forest green natural summer sunlight sunrays Tree Stump background cracked crevice fissured hard lichen old red rough split texture brush fog marsh mist reflection swamp trees water chop cliff earth felled glowering grey mountain peat sky skye Soil Storr baum Baumstamm bole Gehölz gras holz mushroom natur pilze root tree trunk wald wiese abstract appearance backgrounds bare bark brown bumps close-up colors colours cracks dead dry edge edges gnarled gray grooves layers lines moss mottled patterns peeling ridges shades of colour shapes smooth strips surface surfaces textured textures trunk uneven variations wallpaper decay decaying reforestation Tree stumps woods bushes Dirt ferns mushrooms white