What are the Walls of Ávila?
The Walls of Ávila, built between the 11th and 14th centuries, are an impressive fortification that encircles the city. They feature a perimeter of 2,516 metres, with 88 semicircular towers and curtain walls that are 3 metres thick. This UNESCO World Heritage Site is notable for being the largest fully illuminated monument in the world, and visitors can walk along a significant portion of the walls.