background composite fungus gray grey grunge. lichen plants stone texture wall yellow abstract architecture backdrop decoration decorative desktop structure structures stucco textures wallpaper building compost concrete daub house parget plaster roughcast tile ancient decayed desuetude elements eroded erosion historical old rough worn Cluj flotexture rifty Romania timber wood mortar England granite Great Britain hard secure strong Cotswolds drystone english rock angles appearance backgrounds barrier blocks brown coloring colors colouring colours constructed craftsmanship creative display fitted large linear lines perspective perspectives security solid stones stonework strength surface surfaces variations variety walled well-built age bunker century hide moss mossed brick bricks creeping plant twigs vine white white bricks