Here is a video my son, who is studying in Berlin sent along:

https://www.youtube.com/watch?v=SJNgDAx85aI

Really great work.

nworker

hankwright.com

Wow, that really is amazing. Very unusual approach, but it works!

wow what a video! excellent editing! i guess i will watch it about 100 times to learn from it!

Very impressive, respect !!