Impressions 2018
Impressions 2017
![](https://www.dr-lessing.de/wp-content/uploads/2021/11/dr-lessing-zahnmodell.jpg)
Annual works outing 2017
Annual works outing 2013
Annual works outing 2013 in Switzerland.
Annual works outing 2010
Annual works outing 2010 in the Alsace/ France.
Annual works outing 2013 in Switzerland.
Annual works outing 2010 in the Alsace/ France.