at Mercure Hotel MOA on 23 Sep 2019 – 27 Sep 2019

at Mercure Hotel MOA Berlin on 30 Nov 2016 – 3 Dec 2016

at Golden Tulip on 12 Oct 2015 – 16 Oct 2015

at Umweltforum Auferstehungskirche on 6 Nov 2013 – 8 Nov 2013

at Umweltforum Auferstehungskirche on 21 Nov 2012 – 24 Nov 2012