Looking for new housing under the surface of the city is either the last option in the face of a tight housing market or an exciting new way to use unused urban space. How much sunlight do you need anyway? What do new social communities look like underground? What are the potentials for the housing problem in the reuse of historic properties?

In this video, tiny house specialist Van Bo Le-Mentzel, architect Emma Williams, philosopher Fabian Goppelsröder and architectural psychologist Riklef Rambow respond to Clara Brinkmann’s ideas on underground living in Berlin.