old forgotten ruined building in the forest

abandoned abandonedbuilding abandonedfortress aged agedbuilding agedfortress agedwall bastion brickwall buildingloophole bulwark bush firtresswall fortress fortressbastion fortressloophole fortressloopholes fortressrampart history historybackground historyconcept historyofmilitary historyofwar level loophole military militarybackground militarybuilding militarybulwark militaryfortress militaryhistory militaryobject novisad novisadserbia old oldbuilding oldhouse oldwall overgrown overgrownbuilding overgrownfortress overgrownwall plant rampart serbia srbija wallloophole war warhistory weed