German Aerospace Center Bonn Artspace Rhein-Sieg Museum for contemporary art Lyon Kurfürstliches Gärtnerhaus Bonn Artspace Brühl GSF-Munich/ Neuherberg		Borobudur, 2004, poplar/ colour, H 1,86 x Ø 2,90m, seven wedge shaped wallpieces , poplar / colour, L 2,20m