Vacancies and structural change also affect the big players - the big cities and the big properties. In the former Karstadt Sport directly at Hamburg's main railway station, Jupiter Hamburg has been demonstrating how sustainable interim use can succeed since 2022.

The "Queer Lighthouse" in St. Pauli is an innovative urban development project that takes queer realities into account. It combines alternative forms of housing, social meeting spaces and sustainable architecture to create an inclusive, intergenerational neighbourhood.

Heilbronn is creating small forest oases in the city with its climatic forests to combat heat islands and climate change.

The Tacheles KunstKaufLADEN in Hanau displays works of art and offers a space to exchange ideas and spend time with artists away from commerce. An interview with Daniel Freimuth from Hanau Marketing GmbH.