The first Saint-Rémy church, of which only the tower remains today, was built in the 13th century. It was built at the foot of the hill on which stands the castle. The church gradually fell to ruins and the new Saint Rémy church was built in the heart of the town. It was Thomas Bouchard, deputy mayor and treasurer of the parish who laid the first stone in 1522. The gothic centre, surrounded by an ambulatory and radiating chapels, was completed in 1545, but the influence of the first French Renaissance was already visible in the décor.
References: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.