The new entrance building for the German Museum of Technology in Berlin sees itself as a mediator not only between the museum’s existing buildings, but also between the technology clearly anchored in the museum and the nature so present at the site. The open, inviting building with its green entrance plaza stands for a contemporary understanding of technology that does not want to fight nature, but rather cooperate with it. The two shells of the building create an intermediary level between inside and outside, linking the building to the green outdoor space and interpreting the motif of the overgrown ruins and the wilderness of the surrounding park. The building and urban nature are not mutually exclusive, but enter into a symbiosis. In its permeability, the buffer zone strengthens the accessibility of the building and formulates an inviting gesture towards the interior of the public first floor.