in context of room, building and city

>use

Heidenheim 2013, award winner Werk 13, media light, of the sculpture symposium Heidenheim, Bisy 2013th; nominator Axel Lieber, jury Prof. Dr. Wulf Herzogenrath, Dr. Ulrike Groos, Dr. René Hirner, Visualization, Dipl.Ing Rafal Wamka, Berlin, partners Richter Lighting Technologies, Heubach, Effektwerke, Pfreimd; making of use 

Fritz Balthaus: use