The Old New Synagogue (Staronová synagoga) situated in Josefov, Prague, is Europe's oldest active synagogue. It is also the oldest surviving medieval synagogue of twin-nave design. Completed in 1270 in gothic style, it was one of Prague's first gothic buildings.
An unusual feature found in the nave of this synagogue is a large red flag near the west pillar. In the centre of the flag is a Star of David and in the centre of the star is a hat in the style typically worn by Jews of the 15th century. Both the hat and star are stitched in gold. Also stitched in gold is the text of Shema Yisrael. Ferdinand III, Holy Roman Emperor awarded the Jewish community their own banner in recognition for their services in the defence of Prague during the Thirty Years War. The banner now on display is a modern reproduction.
It is said that the body of Golem (created by Rabbi Judah Loew ben Bezalel) lies in the attic where the genizah of Prague's community is kept. A legend is told of a Nazi agent during World War II broaching the genizah, but who perished instead. In the event, the Gestapo apparently did not enter the attic during the war, and the building was spared during the Nazis' destruction of synagogues. The lowest three meters of the stairs leading to the attic from the outside have been removed and the attic is not open to the general public.
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.