Participants in last year's Climathon in Thessaloniki, Greece, took this group selfie after 23 hours of hacking 🙌😀 Thanks for the photo @giorgomihalos! You can register to take part in this year's Climathon (27 October) in cities around the world, just click on the link in our bio.⠀ ___________________________________________⠀⠀⠀ #Thessaloniki #Greece #Climathon #usie #climatechange #hackathon #ntnu #innovation #climateaction #euclimateaction #climatechange #climate #hack4good #environment @eiteu @climatekic #sustainability #cities4climate
