Lukovka (or Kukovka) tower

This is the most ancient tower of the fortress. As you can see it has a rather curious emplacement: inside of the fortress wall. It was constructed long before firearm's epoch and was used as a watch-tower. Then it was used as powder cellar. There were several fire inside it, bit tower is preserved. Nowadays it is restored entirely and has a fixing fare for enter (15 rubles or 0.5 euro).