animal animals dog dog-sign dogs forbidden instructions park pet pets pictogram prohibition restriction restrictions rules sign alert black groningen guard guard-dog shape vector warning white allowed banned banner canine compulsory lace lead leash leashed dog line lined mandatory not allowed roadsign roadsigns signs unleash unleashed dog beware door shed african be careful crossing danger lookout mammal observant observe painted dog watch watch out wild wild dog wildlife zoo allow ban prohibit blue fine keep scoop arrow indicator left right sings swinoujscie travel walk wolf no shield clean clean up illegal no dog no dogs poop shit walking