a university in berlin. we have my desk up there our building is very sculptural and made of in for lightweight concrete contains from glass gravel and clay aggregates to improve the concrete insulation capacity of the press or so we'll have a fossil free for some without polystyrene and additional insulation. it'll be a very low maintenance building their bathrooms almost always. at the balham gropius also experimented with new forms and materials. if he was still designing buildings perhaps they would look like you're going my own hoss sculptural but also practical. the bell house is a thing of the past. as is the flowering of reconstruction and the abundance that marks the post-war years in the west.