After having seen a reportage of "SRF-Dok" about "artificial snow" we try to get in contact with Mr. Felix Keller to discuss about the progress of his idea. Mr. Felix Keller is a protagonist of the reportage. Here is the link of this reportage: https://www.youtube.com/watch?v=IIcndfkZ3-s.
Genti and Tiziano
[in progress]