In a couple of forums participants show their pictures of the event. I have learned that in addition to the countries already mentioned there were folks here who came from Switzerland, Chechia and Slovakia.
Here some more pictures:
1) I set you people free
2) Hans Kastner listens to Walter
3) small part of the collection
4) interesting material
5) in the middle of the parish
6) more
7) discussion about larch
8) the star