Rosenstein Palace was built between 1822 and 1830 by the court builder Giovanni Salucci (1769–1845) in the classical style for King Wilhelm I. The palace stands in Rosenstein Park on a height overlooking the Neckar river valley. Formerly called the Kahlenstein (literally 'bald rock', because it was bare of trees), the hill was renamed Rosenstein ('rose rock'), and a rose garden was planted to the south-east of the palace.
Today, Schloss Rosenstein houses that part of State Museum of Natural History Stuttgart dealing with extant lifeforms.
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.