Dr. Hans-Georg Knopp (Goethe-Institut), Michael Weise (developer "Engelgärten"), Klaus Wowereit (governing mayor of the city of Berlin) and Moritz van Dülmen (CEO Kulturprojekte Berlin GmbH) (f.l.t.r.) at the press conference on the start of the domino action (18.3.2009)
Photo: Kulturprojekte Berlin
