Pictured are aging barrels for the production of Domination of Controlled Origin balsamic vinegar at Acetaia Dei Bago in Modena, Italy. The family owned business provides tours where the owner explains the ancient Modena tradition and shows you the various stages of the complex production process that requires 12 to 25 years. You will see the crossing batteries of different wood barrels and have an olfactory examination of the final product as well as a tasting.