Olafur EliassonThe weather project, 2003Monofrequency lights, projection foil, haze machines, mirror foil, aluminium, and scaffolding26,7 m x 22,3 m x 155,4 mInstallation in Turbine Hall, Tate Modern, LondonPhoto: Jens ZieheCourtesy the artist; neugerriemschneider, Berlin; and Tanya Bonakdar Gallery, New York© Olafur Eliasson 2003