Denkfabrik
Directly above the entrance door, these relatively thin tubes shine in red color. The device was manufactured in 2015 by a company from Greece. In 2024, the installation was repaired by the company NEON ELAN, Karlsruhe.
Thanks to Mr. Athanasios Chatzitheodorou and Cedomir Ozmec (NEON ELAN, Karlsruhe) for this informations.
