The café is on the Town Hall’s roof. There is a splendid view on the city and the mountains of Innsbruck. At night, this strange and light object illuminates the Innsbruck’s sky. Its construction uses new technologies: The structural crystal walls make its structure completely transparent and nearly invisible. The very flat cover is a translucent membrane which let the daylight pass though. This direct order was a continuation of the realization of «the Rathaus-Galerien» and Innsbruck’s Town hall.