The Church of Santa María de Sariegomuerto is a Romanesque-style church in the municipality of Villaviciosa. The church appears to date originally from the 12th to 13th centuries; it appears to be mentioned in documents in 921, linked to grants by Ordoño II to the Oviedo Cathedral. The church has undergone a number of refurbishments along the centuries. The church was rebuilt after arson during the Spanish civil war.
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The Walls of Constantinople are a series of defensive stone walls that have surrounded and protected the city of Constantinople (today Istanbul) since its founding as the new capital of the Roman Empire by Constantine the Great. With numerous additions and modifications during their history, they were the last great fortification system of antiquity, and one of the most complex and elaborate systems ever built. They were also the largest and strongest fortification in both the ancient and medieval world.
Initially built by Constantine the Great, the walls surrounded the new city on all sides, protecting it against attack from both sea and land. As the city grew, the famous double line of the Theodosian Walls was built in the 5th century. Although the other sections of the walls were less elaborate, they were, when well-manned, almost impregnable for any medieval besieger.