Today you can visit Fort 7, the most completely preserved fort of the Brialmont ramparts. Join an introductory walk in Fort 7 with explanations about the historical background and the military and architectural features of the fort. You can also visit some of the most imposing buildings. Practical info: The route has a few slopes and stairs. Sometimes it goes through tall grass and other vegetation. Sturdy shoes are recommended, your own flashlight can be fun.