The Saluting Battery is Valletta's ancient ceremonial platform from where gun salutes are still fired regularly. Equally, the passage of time is marked twice daily from her with gun fire at noon (12:00) and sunset (16:00).
The battery itself is located at one of the capital's highest vantage points from where splendid vistas of the Grand Harbour and its surrounding towns can be enjoyed. Its origins go back to the time when Valletta was built by the Order of St. John in 1566. It remained in constant use, under the Knights, the French and the British in both its defensive and ceremonial roles for the next 400 years. This historic monument has recently been restored to all of its original functions as it stood in the late 19th century, complete with working cannon, artillery stores, gun powder magazine, historic ordnance collection and small museum.
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.