Pikk Hermann (Tall Hermann) is a tower of the Toompea Castle. The first part was built 1360-70. It was rebuilt (height brought to 45,6 m) in the 16th century. A staircase with 215 steps leads to the top of the tower. Pikk Hermann tower is situated next to the Estonian Parliament building and the flag on the top of the tower at 95 metres above sea level is one of the symbols of the government in force.
The national flag, measuring 191 cm by 300 cm, is raised and the national anthem is played at the time of sunrise (but not earlier than 7 am) and lowered at the time of sunset (but not later than 10 pm). While it is lowered, the song Mu isamaa on minu arm is heard.
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.