Vannes Fortifications by EuroTourData
Fortifications of Vannes were built in the 3rd century by order of the Roman Emperor Probus and modernized and expanded in the late 14th and late 16th centuries.

Image info
View to the eastern defensive wall with Constable Tower and Powder Tower in Vannes.
© Creative Commons: Vannes Jardin des Remparts Nord 09, author Zairon. License: CC BY-SA 4.0. Cropped from original.