appearance communicating communication concrete convenience direction door gender-specific indication ladies narrow painted public public-conveniences rocks sign surface surfaces texture textured textures thick thin toilet wall walls wc women wood wooden bathroom buttons ceramic flush flushing liquid-waste loo man men men's-bathroom men-standing number1 passing-water pee peeing Restroom standing standing-men standing-only urinal urinate urinating urine-container urine-containment abstract aged antique art artistic artwork background beautiful black board brown building color concept cute day decor decoration design detail energy friendship heart historic hole home lifestyle line love natural nature old pattern plank romance romantic rural rustic shape simple still symbol valentine vintage