The medieval church of Jumkil was originally built in the early 13th century. The vaulting was made in the 16th century and detached bell tower was added in the mid-18th century. There are wooden sculptures and triumphal crucifix from the 16th century. Baptismal font is from the 12th century, made of Gotland sandstone, with many carved motifs, such as the birth of Jesus and the adoration of the Three Wise Men. The medieval murals date from the 15th century.
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.