The closing event of the exhibition on the theme of avenue trees in the foyer of Greifswald University Library featured the following guests: Jens Krage, Head of the Neustrelitz Road Construction Authority, placed today’s avenues in the historical context of road construction; Gordon Käbelmann from BUND Neubrandenburg discussed the ecological function of avenues; and Milena Schwarz, research assistant at the Chair of Landscape Economics, explained the linguistic difficulties involved in researching the topic of avenues: avenue, boulevard, allée?