List of project participants, who modernizised the castle Kaltenstein.

https://www.stuttgarter-zeitung.de/inhalt.burg-kalteneck-in-holzgerlingen-das-freiluft-wohnzimmer-ist-eroeffnet.79df257c-4432-4370-bbbc-877221f3d51d.html

Attached photo(s):
https://westnordost.de/p/205905.jpg