Author 'Crabecanoe' (Id 126588 ) : Sunday, September 5, 2010. Fair of Lille. Quai du Wault. A superb locomotive laid on the pavement. Many events around the Quai du Wault. At this point there is no merchant or trader, as individuals. Quai du Wault is a fairy place almost magical. It is a place steeped in history and lives, vibrates again.