"Thiers wall" . . "City walls of Paris" . "Louis XIII Wall" . . "walls of Paris" . "the city walls" . "walls" . "city walls of Paris" . . "City walls of Paris" . "city wall of Paris" . . "City walls of Paris#Louis XIII Wall, sometimes called the \\\"yellow ditches wall\\\"" . . . "Wall of Louis XIII" . "defensive wall" . . . . . "Louis XIII wall" . "city walls" . "Paris' former city walls" .