Vivi Katarina Ruberg Hennig defends her thesis in the subject Environmental Psychology with the title "Sustaining Social Interaction in Public Squares After Dark: A Socio-Physical Perspective on the Lightning-Behaviour Relationship".

Faculty oppoent is Professor Femke Beute, University of South-Eastern Norway, Norway.

The dissertation will be live streamed, but part of the premises is to be excluded from the live stream.