stony arch and cobbled path of the fortress

acropolis arch barricade barrier bastion battleground battlement benchmark bend block blockhouse breastwork buffer bulwark camp castle citadel cobbled consolidation defense earthwork embattlement entrenchment fastness feature fort fortification fortress fragment garrison guide hill keep landmark mark marker medieval memorial milepost milestone monument nafpaktosgreece outpost parapet path presidio protection redoubt reinforcement station stockade stony strengthening stronghold support wall