abl - Allgemeine Baugenossenschaft Luzern - renovates the housing comlex «Himmelrich 1» in Lucerne, Switzerland. Steiner Sarnen Schweiz was commissioned to develop a vision to revitalize the courtyard. abl chose the idea of the glashouse, a community center of a special kind. Completely made of glas and reflective it invites inhabitants to stay in the courtyard. Two weeks ago the construction works began. The opening festivities will take place mid-October 2015.