That means, for all intents and purposes, what is held inside freeports are largely secret, entirely up to the imagination of those outside their brutalist walls. We can assume there is a lot of fine artwork, as well as other precious artifacts and collectibles, and there are even freeports specifically devoted to wine and spirits — Le Freeport in Luxembourg holds a collection of classic cars, four rooms specifically devoted to gold bullion, and even massive garages to store armored vehicles.