The Dallas Dhu distillery was a producer of single malt Scotch whisky that operated between 1899 and 1983. Dallas Dhu means 'Black Water Valley' in Gaelic. Its whisky also appeared as a 'Dallas Mhor' single malt. In 1899, Alexander Edward designed the Dallas Dhu distillery at the height of the whisky boom. Later he sold the plans and the distillery was built by the blender Wright and Greg. It was acquired by Benmore Distilleries Ltd, which joined DCL in 1929. The stillhouse was destroyed by a fire in 1939, but rebuilt. Production continued until the distillery closed in 1983; it is now a 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.