The Cathedral-fortress of Avila, Castile-Leon, Spain. Romanesque and Gothic styles. Its apse froms one of the turrets of the city walls.

- Image ID: RN19ME
The Cathedral-fortress of Avila, Castile-Leon, Spain. Romanesque and Gothic styles. Its apse froms one of the turrets of the city walls.
Luis Leamus / Alamy Stock Photo
Image ID: RN19ME