bark cracked natural pattern natural texture nature organic organic texture palm tree pattern striped textured tree tree texture tree trunk texture textures wood abstract appearance coated colors colours covered damp extensive gray grey large lichen lichen-covered moist palm palm-tree palms spreading surface surfaces surfacing thick thin tree-trunk trunk coco coconut coconut tree palma plant background natural plank planks trees wood texture wooden texture adam fig figs leaf leaves forest gloomy log logs old wall walls winter wooden shed