wholes in the Wall

When I thought about Berlin the first thing that comes to my mind was the Berlin Wall. I actually expected it to be at least 3 meter high, but as you can see it is relatively low. Another interesting thing is that now there is a barrier in front of the ruins of the wall, because generally tourists who came to see it used to cave and take some pieces of it as a memory. Still, you can see the traces of this habit looking at the big wholes in the wall…