Buenas dias amig@s de Steemit!
Here are some pictures of the world´s largest preserved medieval wall in the world: la muralla de Avila, in Spain.
https://en.wikipedia.org/wiki/Walls_of_%C3%81vila
Thank you @old-guy-photos for this initiative!
All pictures by yours truly. Canon EOS 70D.
The ancient entrance.
The wall from a distance at night!
Thank you and have great day,
Lucy.