Lutic Fortress
Myasnikovsky District, Russia · built 1700
Lutic Fortress was a fortification structure located on the left bank of the northern channel of the Don delta, the River Mertvy Donets, in Rostov Oblast, close to Nedvigovka khutor. In the XVII-XVIII centuries the fortress was of strategic importance and defended the access to the Sea of Azov. After the Crimea Peninsula was incorporated into the Russian Empire, it fell into decay.
Fort data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).