SOLOTHURN, SWITZERLAND - JANUARY 2, 2015: Street view to Bieltor Gate. Solothurn is capital of Solothurn canton in Switzerland.It is located on banks of Aare and on foot of Weissenstein Jura mountains
Wie eine Schweizer Brillenmanufaktur SLS 3D-Druck zur Herstellung hochwertiger Brillen einsetzt | Formlabs