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

at Mercure MOA on 23 Oct 2018 – 26 Oct 2018

at Golden Tulip on 28 Oct 2014 – 31 Oct 2014

at Umweltforum Auferstehungskirche on 21 Nov 2012 – 24 Nov 2012