| This is also an obstruction against an escape by car. Anti vehicle trench is somewhere cut so that the guards can acces to the front Wall for repair. At this "security hole" there are barricades. |
 | A piece of barricade is made from second hand rails. |
| There are barricades in the area where no anti vehicle trench can be constructed on geographical condition. In the picture below barricades are put to reinforce the blockade because the control area is narrow. |
