https://tube.switch.ch/videos/86aa24de
<iframe width="640" height="360" src="https://tube.switch.ch/embed/86aa24de" frameborder="0" allow="fullscreen" allowfullscreen></iframe>
Published by Werner Betschart, Hochschule Luzern on 30 November 2020
Duration: 0:56
License: All rights reserved
Viewable by everyone.
9 views