Annenskie fortifications

It is also named Annencrown or fortifications of St.Anna. The moat and ravelin are seen. It was constructed in 1730-42 under the project of engineer K.Minikh under command of ober-commandant of Vyborg fortress De-Kulon. It preserves near to non reshaped and reconstructed. There were little corrections and repairing of breastworks in 1852-56, and the concrete bunker (powder cellar) was built near the Fredericksgam's Gates in 1910-15.