building conveniences gender hers his ladies-and-gents loos public public-conveniences public-toilet shape shaped shapes signs stand-alone structure style toilet WCs appearance bunker concrete defence defend defending emplacement gun gun-emplacement gun-platform heritage historic history military pillbox secure security solid weapon weaponry weapons architecture beach cloud coast England english Great Britain iron low ocean pier piles sand sea shingle shore sky Sussex tide water wave wet abstract angles build constructed construction exterior materials partial patio roof roofing shelter surface surfaces texture textured textures thatch thatching trendy woodwork interior ancient border bronze butterflies butterfly cloth drapery folds frame gold golden metal mysterious oriental ornament ornaments pattern ripples silk waves wrought-iron horizon seaside silhouette beams coastal leisure norfolk pillars pleasure supports