abstract corrode corroded corrosion crack cracked decay decaying mildew mold paint paint peeling peel rust rusting rusty texture textures urban decay wear and tear anchor chain connect fasten fetter heavy iron links marine nautical old oxidize prison prisoner red rusted secure slave slavery weight advice alert appropriate behavior appropriate behaviour black care concern directions no entry prohibited prohibition sign unwanted warning warning sign weathered white amber autumn beautiful beauty beech color colour copper England english Fagus fall Great Britain natural nature orange russet sunlight Sussex tree trees woodland