route-Neuve 9,
1700 Fribourg (Freiburg)
Switzerland


Fribourg:



Switzerland:


chemin de l Heptau 12,
1898 St-Gingolph(Wallis)
Switzerland


Wallis:


Switzerland:

prof.
chemin des Fins 4,
1218 Le Grand-S (Genf)
Switzerland


Le Grand-S:



Switzerland: