6436山炮和碉堡防守，敌军虎式坦克和GrW-34 迫击炮士兵冲锋 Mountain guns and bunker d

6436山炮和碉堡防守，敌军虎式坦克和GrW-34 迫击炮士兵冲锋 Mountain guns and bunker defenses, enemy Tiger tanks and GrW-34 mortar soldiers charging