SS Peter and Paul Church is one of the oldest stone buildings in Minsk, constructed on a narrow street Rakauskaja and remained up till now as a monument of architecture of the 17th century. The building was started in 1611 and was finished after two years. During wars and religious conflicts the church served as a fortress. It explains the thickness of its walls, a high arrangement of windows above the ground and presence of loopholes. In 1795 in the church there was Minsk Cathedral named after Russian empress Ekaterina, who gave money for reorganization. In the middle of the 19th century during the restoration the temple got some features of pseudo-Russian style. From 1991 services in church are renewed. The church is a monument of an early Baroque with elements of the Renaissance style.
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.