Hetman Ivan Mazepa financed the fortification's construction at the height of the Great Northern War, and had a thick stone wall with four towers added for protection of the monastery in case of Swedish or Russian attack.
fortification | Dragon's teeth (fortification) | Kiev Pechersk Lavra | Coastal defence and fortification | Trinity Lavra of St. Sergius | Sviatohirsk Lavra | Saint Agatha's breasts sculpted in the fortification walls, Mons, Var | Pechersk Raion | Medieval fortification | Fortification of Dorchester Heights | Fortification | Food fortification | Cavalier (fortification) | Alexander Nevsky Lavra |