abstract background forest hill mountain texture tree trees wallpaper woods firewood heat heating splinters trunks wood wooden green leaf leaves nature plant tile bark Castanea chestnut crack crevice fissure rough carpentry doors honey polished structure textures timber cracked fissured hard lichen natural old red split Stump autumn bunch park yellow curl curly shave shaving color fall macro veins Asia china coconut palm tropical trunk bush mugho mugo pine Pinus plants swiss