Summer Schools will be held in Thessaloniki (2023 & 2025) and Hannover (2024) in annual rotation. The Summer Schools will focus on the analysis of the two cities and regions, the different planning systems and cultures, and the development of solutions (e.g. Smart City concepts, 100 Resilient City Thessaloniki, etc.). The goal is to bring participants into exchange in interdisciplinary teams. The framework program of the Summer Schools consists of thematic excursions, interdisciplinary workshops, group work and presentations. A joint dinner rounds off the Summer School and enables networking after the one-week exchange.