at Umweltforum Auferstehungskirche on 21 Nov 2012 – 24 Nov 2012

at Maritim proArte on 2 Jun 2012 – 6 Jun 2012

at Santa Clara Convention Center on 17 Oct 2011 – 20 Oct 2011

at Congress Center, Karlsruhe on 15 Nov 2009 – 18 Nov 2009