Towner Art Gallery, Eastbourne Nouvelles Collections, CentrePasquArt, Bel Bienne Story, Myth and dream, Statens Museum for Kunst, Copenhagen La relatividad del tiempo y los sistemas de referencia, Oficina para Proyectos de Arte A.C., Guadalajara Imágenes en movimiento/ Moving Pictures, Guggenheim Bilbao Double Exposure, Brigitte March, Stuttgart Werke aus der Sammlung Boros, Museum für Neue Kunst/ZKM, Karlsruhe realityREAL: Arbeiten auf Papier, Galerie Gebr. Lehmann, Dresden Game of Life, Elías Hjörleifsson and Ólafur Elíasson, Hafnarborg, Hafnarfjardar Deste Foundation Centre for Contemporary Art Athens, Greece Biennale 2004, Museum of New Art, Detroit 2005 Out there: Landscape in the New Millennium, Museum of Contemporary Art, Cleveland Desenhos: A-Z (Drawings: A-Z), Colecção Madeira Corporate Services, Porta 33, Funchal, Ilha da Madeira, Portugal Material Time/Work Time/Life Time, Reykjavík Arts Festival, Iceland Making things public – Atmospheres of Democracy, ZKM, Karlsruhe Prolog + mission of art, Akademie der Künste, Berlin Always a little further, Venice Biennale, Arsenale Our Surroundings, Dundee Contemporary Arts, Scotland Einstein Spaces, Potsdam, Germany Collección De Fotografía Contemporánea de Telefónica, Museo de Arte Contemporánea de Vigo, Spain Der Kunst Ihre Räume, Bonner Kunstverein Atlantic and Bukarest, Kunstmuseum Basel Remagine. Œuvres du Fonds National d’Art Contemporain, Musée d’Art Contemporain, Lyon Emergencias, Museo de Arte Contemporénneo de Castilla y Léon, Léon Dialog Skulptur, Kunstforum Seelingstadt Das verlorene Paradies, Die Landschaft in der Zeitgenössichen Photographie, Stiftung Opelvillen, Rüsselsheim Wolkenbilder, Aargauer Kunsthaus, Aarau Ecstasy: In and About Altered States, Museum of Contemporary Art, Los Angeles First Acquisitions. A selection of works from the Foundation for Contemporary Art Victor Pinchuk, Venice Die Ordnung der Natur, Museum Moderner Kunst, Passau Send min ven i skole, Hele verden i skole 2005, Københavns Bymuseum, Copenhagen, Denmark Send my Friend to School, Global Campaign for Education, South Bank, London, Great Britain 2006 Out of Place, The New Art Gallery Walsall, West Midlands No. 14 Light Play, Z33, Hasselt The François Pinault Collection, a Post-Pop Selection, Palazzo Grassi, Venice Gletscherdämmerung, ERES-Stiftung, Munich Der Blaue Reiter im 21. Jahrhundert, Lenbachhaus, Munich Open House / Casa Aberta, INHOTIM centro de arte contemporânea, Minas Gerais, Brazil FASTER! BIGGER! BETTER!, ZKM Zentrum für Kunst und Medien Technologie, Karlsruhe Exhibition of Contemporary Art “New Space”, Pinchuk Art Centre, Kiev Eye on Europe: Prints, Books & Multiples / 1960 to Now, The Museum of Modern Art, New York After Cage - 24 Collections in Motion, Aachen – Liége – Hasselt – Maastricht Convertible City, German Pavillon, 10th International Architecture Exhibition,