Map of the Zones:
In this picture it shows the sections closed off the Soviet Union.
The First Wall Generation:
The early building blocks of the wall.
Second Generation:
The second generation of the wall is being built in the picture.
Fourth Generation:
Like I said before around the fourth generation of the wall they got tighter on security, they put up watchtowers and more patrols.
Graffiti on the Wall:
You can see in the image that people really put a lot of graffiti on the wall.
Dismemberment of the Wall:
In 1989, when the order came in to dismember the wall people from around Berlin came together to help with the dismembering.