St. Peter's Cathedral is an interdenominational church in Bautzen. It is among the oldest and largest simultaneum churches in Germany. The first church was built around the 1000 AD. Near the beginning of the 13th century, a cathedral was built under the supervision of Bishop Bruno II.
Between 1456 and 1463, the cathedral that now stands was constructed and named after St. Peter. A fourth nave was added to the original structure. A fire decimated much of the city and church in 1634, and the church required a new vault and significant restoration work. The entire interior of the church, with the exception of the original Gothic-style which can still be seen today.
The church is a mixture of several different architectural styles, the most prominent being Gothic and Baroque. The early church was entirely a Gothic structure, but it has since been heavily modified. Today, only parts of the interior are Gothic in nature. The Baroque dome was added to the tower in 1664.
Today, Catholic and Lutheran altars are located on separate sides of the sanctuary. The Catholic high-altar was built in 1723. It was designed by a student of Balthasar Permoser, the same man that designed the Zwinger in Dresden. The altar murals were painted by the Venetian painter Pellegrini.
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.