appearance confined display displayed engines equipment fence fenced-in heavy heavy-duty historical history locked locomotives machinery machines marshalling-yard mobility power rails railway railway-yard restoration restoration-yard restored steam-engines steam-locomotives steam-trains strength trains transportation animals Asian-elephant boulder brisles bristly calf Calves captive electric-fence elephant elephant-hide elephant-side elephants elephas-maximus hair hairy herbivore Indian-elephant large largest-terrestrial-mammal mammal mammals play playful pushing rock rocks skin sociable strong texture textures tree-trunks trunk wiry wrinkled wrinkles young youngsters zoo big island brown flowers green Hawaii trees animal bred breed curious domesticated equestrian equine equine intelligence farmyard fences horse intelligent leisure manes outdoor-sport patient pet riding skills sport tail white advice alert announcement appropriate-behavior appropriate-behaviour aware awareness black care careful caution communicating communication considerate consideration danger directions informing lettering letters red sign signs warning wording words access-denied avoid concern damage dangerous demolition denied destruction fencing keep-out mesh message no-access no-entry not-allowed not-permitted permission-denied prohibited prohibition risk risks risky safety unwanted warning sign weathered wire-mesh alone countryside England english fenced field grass Great Britain landscape lone meadow oak pasture protected Quercus single stud farm Sussex tree abandoned bungalow closed closed-up colonial style empty fenced-off house neglected old Singapore unused background barriers borderline boundaries boundary concept fenceling greenery hedge height high maze nature plants sky wall