zoom link: https://cern.zoom.us/j/61105321191?pwd=T0UvZllPUS82cG13MVBsSGZJRG5rZz09
topic list: https://docs.google.com/document/d/1382FRzxaOdvSsymG8KjYJ7o-UaARls7AhyWwQzuyEw0/edit