First there was a morning free for exploration. Then there was an introduction to "Landart" and at the end of the day after a nice group meal at Alter Simpl there was Kleines Spiel Marionettentheater ("Volpone"). Whew!
I'm posting this link 10 days after the original post. This seems fitting. http://www.brainpickings.org/2015/05/13/gathering-moss-robin-wall-kimmerer/