Killin Stone Circle is a prehistoric stone circle situated at the west end of Loch Tay near the village of Killin.
The stone circle consists of six upright slabs, ranging in height from around 1.4 metres to 1.9 metres. The stones form a flattened circle with a diameter of around 10 metres. The stones are of dark grey schist. The two tallest stones lie next to each other on the southwest quadrant. On the top of the northernmost stone there are three cupmarks.
The stone circle is one of the more westerly examples of a large number of stone circles to be found in central Scotland, many of which consist of six stones. The good condition of this particular stone circle may be due to its position in the grounds of Kinnell House, and it may have been 'restored' in the 18th or 19th century.
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.