The first time I noticed that pieces of the wall had been used for something other than ornaments outside hotels around Berlin and elsewhere was whilst cycling along the Konigsweg behind Dreilinden. There are several old border buildings/ruins in the woods there and the famous pink tank memorial on a plinth. Closer to the Kleinmachnow road is a service yard with sections of former wall being used for sand and gravel storage.
It is very practical as the cantilever principal design means that the more weight that is added to the ‘foot’ piece, the more load can be put against the upright section. I did read that this design , which mostly was used on the Western facing part of the wall and topped by a half pipe, was to prevent vehicle ramming. The principle that if the wall was knocked over , the ‘foot’ section would lift the vehicle wheels off the ground.
There are still plenty of old GDR roads around, on the Mauerweg, in the forests and in smaller old villages. Very annoying for cyclists to ride on due to the constant bumps every metre!
radicity 