We were promised fun as well as education and we got exactly we were looking for. I spent a month this summer in Hannover/Germany at Leibniz University and this summer school was really good. I actually even got the idea of my next research project on Big Data from here.
Hannover was a really beautiful city and not so boring as some blog sites that I will not name here, advertise. Be that as it may, it was also so cold that I had to by winter clothes when I was there to use in some especially cold days.