1998
"Summer", OTTO, Kopenhagen, Denmark
1999
"Sving", Galerie Michael Neff, Frankfurt a.M.,
2002
"Space in Action / Action in Space", Lenbachhaus & Kunstbau München, München,
"Take a Walk in the Forest at Moonlight", CAPC Musee d'art Contemporain, Bordeaux, France
"360° Presence", Johann König, Berlin,
2003
"Take a Walk in the Forest at Sunlight", Kunstverein Heilbronn, Heilbronn,
"Continuity Reflecting Space", Foundation La Caixa, Barcelona, Spain
2004
"Intervention Impact", Sprengel Museum Hannover, Hannover,
"Flying Cube", P.S.1. Museum of Modern Art, New York, USA
"Distance", Ludwig Forum für Internationale Kunst, Aachen,
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