Impressions This is a YouTube video. If you click on this video you agree to the privacy & terms of Google and you also agree to our privacy policy. Video about the Summer School (Thanks to Simon Knjasew and Pierre Strecker for filming and conducting interviews) Video editing: T. Sonnemann T. SonnemannT. SonnemannT. SonnemannT. SonnemannT. SonnemannT. SonnemannT. SonnemannJ. RosselJ. RosselJ. RosselJ. RosselM. HessJ. RosselM. HessM. HessM. Hess
