The Kalanti stone church, today part of Uusikaupunki city, was built between years 1430 and 1450. The interior is covered with famous wall paintings signed by Petrus Henriksson in 1470s. The oldest altarpiece in Finland was originally in the church of Kalanti. It was made by German master Francke in the beginning of 15th century and stood in Kalanti church until 1883. According the local legend, collected in the 19th century, the altarpiece was found floating in the sea outside Kalanti. The altarpiece is now located at the National Museum of Finland.
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.