Well-earned coffee break ...
      Dinner in the cafeteria

Excursion to Jever Brewery (Wed, August 11)

Social dinner (barbecue) on Wed, August 11

 Trip to Bremen on Sat, August 14

Trip to the Isle of Norderney on Sun, August 15

The weather was not always that good during the Summer School, especially on Wed, Aug 18, when there was a little (but only a little!) flooding in Oldenburg.
No big deal, however ...