Q and A with Jakub Rok 20.09.2022 21:13 Dr Jakub Rok from the University of Warsaw sheds light on the "betonoza" ("concretisation") phenomenon, whereby public squares get shorn of greenery and flooded with concrete. Sanok is one of the numerous examples of Polish towns where the market square is paved with concrete or cobblestone, leaving no room for greenery.Lowdown, CC BY-SA 3.0 , via Wikimedia Commons Presented by Piotr Miszczuk.