Ancient walls and the moat of Kotor town, Montenegro
Ancient defensive stone walls and the water moat of Kotor town, Balkan mountains, Montenegro
Naarden, a fortified walled city in Netherlands
Naarden Old town, a historical fortified walled city in North Holland, Netherlands, aerial view
The Walls and the Old Town of Briancon, France
The City Walls of the Old Town of Briancon, built by Vauban, are Unesco World Culture Heritage site. Briancon is the highest city in France.
The Walls of the Citadel of Briancon, France
The City Walls of the Old Town of Briancon, built by Vauban, are Unesco World Culture Heritage site. Briancon is the highest city in France.