AL_A work shown at the Guggenheim Museum,New York

For its 50th anniversary the Guggenheim invited two hundred creatives to imagine how they might alter viewers' perception of the rotunda for the exhibition Contemplating the Void: Interventions in the Guggenheim Museum.

Projects by many artists,architects, and designers including Anish Kapoor, Doris Salcedo,Studio Daniel Libeskind, Lawrence Weiner,MVRDV, Rachel Whiteread and Amanda Levete Architects are on view from 12 February to 28 April 2010.

Contemplating the Void: Interventions in the Guggenheim Museum