The rear of the most famous bunker of the Oder-Warthe-Bogen, Panzerwerk 717. It was here that Russian troops broke through the Oder-Warthe-Bogen after a few hours. It was armed with five machine guns, two in each MG turret and one for the rear defense, a flamethrower and a 5 cm automatic mortar. Furthermore it has an observation turret. If you visit this work don't be surprised when it has a different colour. When I was there the colour of one of turrets changed from pink to green within one day.