GRAVÜR DÜNYASI
Digital Engraving Library
| Artist | William Henry Bartlett (1809-1854) |
| Engraver | E.Benjamin (Active 1834-1846) |
| Date | 1840 |
| Technique | Steel Engraving |
| Category | Ottoman Empire And Turkey |
| Source | The Beauties Of The Bosphorus (London Published For Proprietors By Geo. Virtue 26 Ivy Lane) |
It is a group of land walls and towers that surround Istanbul from the southwest, also known as the Seven Tower Dungeons. Four of these towers were built by the Byzantine Emperors, and three of them by the Sultan Mehmet the Conqueror. Now, it is an open air museum.
