The Bronze Horseman is an equestrian statue of Peter the Great in Saint Petersburg, Russia. Commissioned by Catherine the Great, it was created by the French sculptor Étienne Maurice Falconet. It is also the name of a narrative poem written by Aleksander Pushkin about the statue in 1833, widely considered to be one of the most significant works of Russian literature. The statue came to be known as the Bronze Horseman because of the poem's great influence and success. The statue is now one of the symbols of Saint Petersburg, in much the same way that the Statue of Liberty is a symbol of New York City. Both of them were designed and built by French artists.
The statue's pedestal is the enormous Thunder Stone, claimed to be the largest stone ever moved by man (1,250 t). In its original state the stone weighed about 1500 tonnes. It was carved during transportation to its current site.
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.