Each complex loses its own functions and changes over time. While new objects or elements are created and old ones disappear it is very important to record dismantled objects and deliver them to researchers. Because more objects have been destroyed than survived, efforts will be made to present only objects about which we know something, or expect to.
City defensive walls and their components
Batteries and “shores”
Kaunas Fortress fortifications
Kaunas Fortress administrative buildings and outbuildings