GRAVÜR DÜNYASI
Digital Engraving Library
| Date | 1856 |
| Technique | Woodblock Engraving (Newspaper-Text on Reverse) |
| Category | Ottoman Empire And Turkey |
| Source | The İllustrated London News (November 08 1856-Title Page) |
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.
